{ "data": { "a": { "slug": "obsessiondb", "name": "ObsessionDB", "vendor": "Kellerkind UG (haftungsbeschränkt)", "vendorUrl": "https://obsessiondb.com", "kind": "mcp", "category": "data", "summary": "ObsessionDB is a managed ClickHouse service that runs the ClickHouse engine on object storage with stateless compute. Agents reach it through a hosted MCP server with OAuth, or through any ClickHouse client over the native or HTTP protocol.", "url": "https://www.anchorterminal.com/tools/obsessiondb", "markdownUrl": "https://www.anchorterminal.com/tools/obsessiondb.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/obsessiondb.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/obsessiondb.json", "license": "Proprietary service under ObsessionDB's terms of service. The query engine is the open-source ClickHouse engine; the storage layer is proprietary", "transports": [ "streamable-http" ], "remoteUrl": "https://console-api.obsessiondb.com/mcp", "packages": [], "auth": "mixed", "authNotes": "The hosted MCP server uses OAuth 2.1 with dynamic client registration and PKCE (S256), and the person signs in at console.obsessiondb.com and approves the connection in a browser. Scopes are `services:read`, `workbench:query`, `monitoring:read` and `alerts:read`, and a token works as the person's account across every organisation they belong to. Connections can be revoked under connected apps in the console. Direct ClickHouse connections use the host, port, user and password shown in the dashboard. No API key route was found for the MCP server.", "pricing": "usage", "pricingNotes": "Compute at $20 per GB of memory per node per month ($160 per 2 vCPU and 8 GB compute unit) and storage at $25 per TB per month after compression, per the pricing page's sizing prompt and calculator, which calls prices indicative and says they vary by cloud and region. Ingress and egress free, no per-query charge, no minimum commitment. A free developer tier (up to 4 vCPU and 8 GB) needs no card (checked 2026-10-21).", "priceSummary": "$160 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs, the pricing page, the pricing and billing docs page or the terms (checked 2026-10-21).", "endpoints": [] }, "toolCount": 12, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-21" }, "docsUrl": "https://obsessiondb.com/docs", "llmsTxt": "https://obsessiondb.com/llms.txt", "capabilities": [ "db.sql", "analytics.query" ], "tags": [ "official", "hosted", "mcp", "oauth", "database", "llms-txt", "usage-priced", "free-tier" ], "lastRelease": "2026-08-31", "graded": true, "anchor": { "graded": true, "score": 41.1, "grade": "E", "agentReady": false, "rank": 1068, "ranked": true, "rankOf": 1197, "categoryRank": 12, "methodology": "0.6", "run": "2026-10-01", "scores": { "ergonomics": 53, "maintenance": 28, "payments": 40, "reliability": 20, "schema": 43, "security": 51, "transparency": 58 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-21" }, "negative": 0, "verdict": "The hosted MCP server uses OAuth 2.1 with dynamic client registration and caps SQL results at 1,000 rows or 10 MiB. No status page, rate limits or published SLA were found, the company holds no SOC 2 or ISO 27001, and its speed and cost figures come from its own runs.", "bestFor": "An agent that needs SQL over large ClickHouse tables, and the database's own monitoring and alerts, through one hosted MCP connection.", "strengths": [ "OAuth 2.1 with dynamic client registration, PKCE and four scopes, so no database password goes into the client config", "Twelve MCP tools, one SQL tool and eleven read tools for services, monitoring and alerts", "`run_sql` caps results at 1,000 rows or 10 MiB and flags truncation", "Standard ClickHouse wire and HTTP protocols, so existing ClickHouse drivers and BI tools connect unchanged", "Per-GB compute and per-TB storage prices are public, with a free developer tier that needs no card" ], "weaknesses": [ "No public status page or incident history was found, and the terms give no uptime SLA on self-service plans", "No SOC 2 or ISO 27001, no security.txt, and encryption at rest was still rolling out per the security page of 10 June 2026", "The `workbench:query` scope runs any SQL as the person's account, with no read-only MCP mode documented", "Only two dated changelog entries in the 90 days to 21 October 2026, the last on 31 August", "Speed and cost claims come from ObsessionDB's own runs. It has no entry in ClickBench's results repository" ], "agentNotes": [ "Call `list_services` first and pass `serviceSlug` unchanged from it to `run_sql` and the monitoring tools", "Push aggregation into SQL with `GROUP BY` or `ORDER BY ... LIMIT`. Results stop at 1,000 rows or 10 MiB and set `truncated: true`", "Treat `available: false` from a monitoring tool as no monitoring archive for that service, not as an error", "Batch inserts to about one `INSERT` a second per table, because every insert writes durably to object storage", "Expect a browser sign-in on first connect. A person must approve the OAuth consent at console.obsessiondb.com" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 4, "avgRating": 2.8, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.6", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 41.1 } ], "editorialScores": { "ergonomics": 53, "maintenance": 28, "payments": 40, "reliability": 20, "schema": 43, "security": 51, "transparency": 50 }, "provenanceScore": 65, "checked": { "categories": { "ergonomics": "2026-10-21", "maintenance": "2026-10-21", "payments": "2026-10-21", "reliability": "2026-10-21", "schema": "2026-10-21", "security": "2026-10-21", "transparency": "2026-10-21" }, "last": "2026-10-21", "oldest": "2026-10-21", "stale": false, "staleAfterDays": 90 } }, "connect": { "claudeCode": "claude mcp add --transport http obsessiondb https://console-api.obsessiondb.com/mcp", "config": { "mcpServers": { "obsessiondb": { "args": [ "-y", "mcp-remote", "https://console-api.obsessiondb.com/mcp" ], "command": "npx" } } } }, "letme": { "capability": "https://letme.dev/db.sql", "tool": "https://letme.dev/obsessiondb" }, "area": "developer", "unitPrices": [ { "item": "Compute, per compute unit (2 vCPU, 8 GB) per node", "unit": "month", "usd": 160, "note": "$20 per GB of memory per node per month. Node sizes of 8 to 256 GB. Indicative; varies by cloud and region" }, { "item": "Storage, per TB after compression", "unit": "month", "usd": 25, "note": "Ingress and egress free. Indicative; varies by cloud and region" } ], "provenance": { "legalEntity": "Kellerkind UG (haftungsbeschränkt)", "domain": "obsessiondb.com", "domainRegistered": "2026-01-03", "endpointOnVendorDomain": true, "terms": "https://obsessiondb.com/terms", "privacy": "https://obsessiondb.com/privacy", "statusPage": "", "changelog": "https://obsessiondb.com/changelog", "securityTxt": "none", "checked": "2026-10-21", "notes": [ "The terms (updated 10 June 2026) and the imprint name Kellerkind UG (haftungsbeschränkt), Traunsteiner Str. 10, 10781 Berlin, HRB 267091 B at Amtsgericht Berlin (Charlottenburg), under German law with Berlin courts.", "The home page says the company is backed by Y Combinator. No parent company is named on a first-hand page.", "/.well-known/security.txt returns the site's HTML page, not a security.txt file. The security page gives an address for vulnerability reports.", "No status page was found. None is linked from the site, and status.obsessiondb.com did not answer through our proxy.", "RDAP for obsessiondb.com gives a registration date of 2026-01-03." ], "score": 65 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/obsessiondb.json", "live": { "slug": "obsessiondb", "probe": { "target": "https://console-api.obsessiondb.com/mcp", "method": "mcp-initialize", "lastAt": "2026-10-21T22:54:35.086420004Z", "lastOk": true, "lastStatus": 401, "lastMs": 996, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 743, "p95ms24h": 1639, "samples24h": 32, "samples30d": 32, "days": [ { "date": "2026-10-21", "probes": 32, "ok": 32 } ] }, "updatedAt": "2026-10-21T22:54:35.086420004Z" } }, "answer": "PlanetScale MCP Server scores 66.4 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in 6 of 7 scored categories. ObsessionDB leads on payments \u0026 pricing.", "b": { "slug": "planetscale-mcp", "name": "PlanetScale MCP Server", "vendor": "PlanetScale", "vendorUrl": "https://planetscale.com", "kind": "mcp", "category": "data", "summary": "PlanetScale's hosted MCP server connects agents to PlanetScale Postgres, Vitess and Neki databases. Its 25 tools cover organisations, branches, schema, read and write SQL, Insights data, Postgres logs, invoices and documentation search, with OAuth or a service token.", "url": "https://www.anchorterminal.com/tools/planetscale-mcp", "markdownUrl": "https://www.anchorterminal.com/tools/planetscale-mcp.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/planetscale-mcp.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/planetscale-mcp.json", "repo": "https://github.com/planetscale/mcp-server", "license": "Proprietary hosted service under PlanetScale's Terms of Service. The 13 tools in planetscale/mcp-server are Apache-2.0", "transports": [ "streamable-http" ], "remoteUrl": "https://mcp.pscale.dev/mcp/planetscale", "packages": [], "auth": "mixed", "authNotes": "OAuth by default. Each MCP client registers as an OAuth application and the person signs in and chooses no, read-only or full access per organisation or per database, with payment-method access set separately. For CI and headless clients a service token secret (`pscale_tkn_`) goes in an `Authorization: Bearer` header, with permissions granted on the token in organisation settings. Claude.ai, Claude for desktop, Claude Managed Agents and Notion accept OAuth only. Access is self-serve after a person signs up.", "pricing": "paid", "pricingNotes": "No charge for the MCP server was found beyond the database plan, and a PlanetScale database is needed for most tools. No free tier or trial was found, and all plans need a payment method on file. Clusters are priced by month, from $5 for a single-node Postgres PS-5 in AWS us-east-1, with storage, backups and egress billed separately (https://planetscale.com/pricing.md, checked 2026-10-09).", "priceSummary": "$5 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the MCP docs, the pricing page or the tool source (checked 2026-10-09).", "endpoints": [] }, "toolCount": 25, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-09" }, "docsUrl": "https://planetscale.com/docs/mcp-server", "llmsTxt": "https://planetscale.com/docs/llms.txt", "openapi": "https://planetscale.com/docs/openapi.yaml", "registryName": "io.github.planetscale/mcp-server", "capabilities": [ "db.sql", "db.admin" ], "tags": [ "official", "hosted", "mcp", "oauth", "read-only-mode", "paid", "postgres", "mysql", "llms-txt", "openapi", "status-page", "soc2", "database" ], "lastRelease": "2026-10-08", "graded": true, "anchor": { "graded": true, "score": 66.4, "grade": "B", "agentReady": false, "rank": 327, "ranked": true, "rankOf": 1197, "categoryRank": 5, "methodology": "0.6", "run": "2026-10-01", "scores": { "ergonomics": 74, "maintenance": 80, "payments": 15, "reliability": 63, "schema": 82, "security": 77, "transparency": 70 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-09" }, "negative": 0, "verdict": "OAuth scopes set no, read-only or full database access per organisation or database, each query runs on a credential created and deleted for that call, and an insights-only endpoint drops both SQL tools. Destructive statements are gated by a flag the model sets itself, no rate limit was found, and every plan needs a card.", "bestFor": "Agents that inspect and tune an existing PlanetScale database, using Insights, schema recommendations, error patterns and logs, with SQL when granted.", "strengths": [ "OAuth scopes grant no, read-only or full access per organisation or per database, and administrators can cap query access for all members since 8 October 2026", "Each query uses a database credential created for that call and deleted afterwards, and read queries run under a reader role", "An insights-only endpoint omits `planetscale_execute_read_query` and `planetscale_execute_write_query`", "The 13 tools published as source carry `readOnlyHint` and `destructiveHint`, checked by a test in the repository", "Published SLA of 99.99 per cent for single-region and 99.999 per cent for multi-region clusters, with service credits" ], "weaknesses": [ "DELETE and DDL confirmation is a `confirm_destructive` flag the model sets, not a prompt the client shows the person", "The write-query check matches the start of the statement by regular expression, so a statement behind a leading comment or a type it does not list is not matched, per the source", "No rate limit for the MCP server or the API was found. The OpenAPI file lists 429 with no figures", "No free tier. The billing docs say every plan needs a payment method on file", "The hosted server and 12 of its 25 tools are closed. The repository has no tags, changelog or CI workflow", "PlanetScale's website terms forbid robots and other automatic retrieval of the site. Recorded as a fact, and it matters before any probe is run" ], "agentNotes": [ "Use `https://mcp.pscale.dev/mcp/planetscale-insights-only` when the task needs no SQL. It omits both query tools", "Pass `organization`, `database` and `branch` on every query call. Record them in `AGENTS.md` to skip the listing calls", "Show the person the exact DELETE or DDL statement and get approval before setting `confirm_destructive: true`", "Keep queries under 50 seconds and add your own `LIMIT`. The query tools cancel at 50 seconds and return every row", "For a service token send `Authorization: Bearer pscale_tkn_...` with the secret only. The `id:secret` form is rejected" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 4, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.6", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 66.4 } ], "editorialScores": { "ergonomics": 74, "maintenance": 80, "payments": 15, "reliability": 63, "schema": 82, "security": 77, "transparency": 66 }, "provenanceScore": 73, "checked": { "categories": { "ergonomics": "2026-10-09", "maintenance": "2026-10-09", "payments": "2026-10-09", "reliability": "2026-10-09", "schema": "2026-10-09", "security": "2026-10-09", "transparency": "2026-10-09" }, "last": "2026-10-09", "oldest": "2026-10-09", "stale": false, "staleAfterDays": 90 } }, "connect": { "claudeCode": "claude mcp add --transport http \"planetscale\" https://mcp.pscale.dev/mcp/planetscale", "config": { "mcpServers": { "planetscale": { "url": "https://mcp.pscale.dev/mcp/planetscale" } } }, "headless": { "mcpServers": { "planetscale": { "headers": { "Authorization": "Bearer ${env:PLANETSCALE_API_TOKEN}" }, "url": "https://mcp.pscale.dev/mcp/planetscale" } } } }, "letme": { "capability": "https://letme.dev/db.sql", "tool": "https://letme.dev/planetscale-mcp" }, "area": "developer", "unitPrices": [ { "item": "Postgres PS-5, single node", "unit": "month", "usd": 5, "note": "AWS us-east-1, storage, backups and egress extra" }, { "item": "Postgres PS-5, primary and two replicas", "unit": "month", "usd": 15, "note": "AWS us-east-1, storage, backups and egress extra" }, { "item": "Vitess PS-10, primary and two replicas", "unit": "month", "usd": 39, "note": "AWS us-east-1, storage extra" } ], "provenance": { "legalEntity": "PlanetScale, Inc.", "domain": "planetscale.com", "domainRegistered": "2011-10-06", "endpointOnVendorDomain": false, "terms": "https://planetscale.com/legal/agreement", "privacy": "https://planetscale.com/legal/privacy", "statusPage": "https://www.planetscalestatus.com", "changelog": "https://planetscale.com/changelog", "securityTxt": "none", "checked": "2026-10-09", "notes": [ "The MCP server answers at mcp.pscale.dev, a second domain. PlanetScale's own docs name the host, and its response headers name Gram, Speakeasy's hosting platform.", "`terms` is the Terms of Service (last updated 25 August 2026), which the Website Terms of Service name as governing the product. The website terms at /legal/siteterms are a separate document.", "The Privacy Policy (last updated 23 July 2026) names PlanetScale Inc. and says data processed for a customer as a processor is governed by the DPA, which was not read.", "planetscale.com/.well-known/security.txt returns 404. The docs publish a vulnerability disclosure policy with security@planetscale.com.", "The site footer and the terms name PlanetScale, Inc., 535 Mission Street, San Francisco.", "RDAP for planetscale.com gives a registration date of 2011-10-06 and Squarespace Domains II LLC as registrar.", "robots.txt on planetscale.com allows every path with `Content-Signal: ai-input=yes`. robots.txt on mcp.pscale.dev, www.planetscalestatus.com and registry.modelcontextprotocol.io answered 404, and on rdap.verisign.com 400." ], "score": 73 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/planetscale-mcp.json", "live": { "slug": "planetscale-mcp", "probe": { "target": "https://mcp.pscale.dev/mcp/planetscale", "method": "mcp-initialize", "lastAt": "2026-10-21T22:54:37.779667012Z", "lastOk": true, "lastStatus": 401, "lastMs": 456, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 99.94, "p50ms24h": 480, "p95ms24h": 552, "samples24h": 250, "samples30d": 3086, "days": [ { "date": "2026-10-09", "probes": 85, "ok": 85 }, { "date": "2026-10-10", "probes": 247, "ok": 247 }, { "date": "2026-10-11", "probes": 247, "ok": 247 }, { "date": "2026-10-12", "probes": 247, "ok": 247 }, { "date": "2026-10-13", "probes": 248, "ok": 248 }, { "date": "2026-10-14", "probes": 249, "ok": 249 }, { "date": "2026-10-15", "probes": 253, "ok": 252 }, { "date": "2026-10-16", "probes": 252, "ok": 251 }, { "date": "2026-10-17", "probes": 253, "ok": 253 }, { "date": "2026-10-18", "probes": 256, "ok": 256 }, { "date": "2026-10-19", "probes": 255, "ok": 255 }, { "date": "2026-10-20", "probes": 252, "ok": 252 }, { "date": "2026-10-21", "probes": 242, "ok": 242 } ] }, "vendorStatus": { "page": "https://www.planetscalestatus.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-21T22:49:46.637834022Z" }, "versions": [ { "registry": "mcp-registry", "name": "io.github.planetscale/mcp-server", "version": "1.0.0", "seenAt": "2026-10-21T07:58:56.787644688Z" } ], "githubStars": 5, "securityTxt": { "url": "https://planetscale.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-21T15:59:16.169860997Z" }, "llmsTxt": { "url": "https://planetscale.com/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-21T14:34:50.448142773Z" }, "domain": { "domain": "planetscale.com", "registered": "2011-10-06", "source": "https://rdap.verisign.com/com/v1/domain/planetscale.com", "checkedAt": "2026-10-18T13:38:50.684390451Z" }, "pages": [ { "url": "https://planetscale.com/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-21T00:53:33.780932116Z", "changedAt": "2026-10-20T00:03:21.940802381Z", "fingerprint": "4134deb0ca65" }, { "url": "https://planetscale.com/pricing.md", "kind": "pricing", "status": 200, "checkedAt": "2026-10-21T00:53:40.20332255Z", "changedAt": "2026-10-21T00:53:40.20332255Z", "fingerprint": "7d19ae6a5038" }, { "url": "https://planetscale.com/legal/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-21T00:53:38.171624012Z", "changedAt": "2026-10-15T21:32:02.525502284Z", "fingerprint": "b25e6011bf8d" }, { "url": "https://planetscale.com/legal/agreement", "kind": "terms", "status": 200, "checkedAt": "2026-10-21T00:53:35.999125613Z", "changedAt": "2026-10-15T21:32:00.376386679Z", "fingerprint": "124953c991ef" } ], "mcpTools": { "url": "https://mcp.pscale.dev/mcp/planetscale", "checkedAt": "2026-10-20T23:50:04.810756535Z", "status": "auth", "note": "asks for credentials before listing its tools", "changedAt": "2026-10-09T21:40:47.427881901Z" }, "github": { "repo": "planetscale/mcp-server", "checkedAt": "2026-10-19T06:39:37.209119027Z", "stars": 5, "archived": false, "issuesEnabled": true, "pushedAt": "2026-10-11T14:05:49Z", "openIssues": 0, "openPRs": 16, "issuesOpened90d": 0, "issuesClosed90d": 0, "prsMerged90d": 17 }, "updatedAt": "2026-10-21T22:54:37.779667012Z" } }, "facts": [ { "a": "MCP server", "b": "MCP server", "name": "Kind" }, { "a": "Kellerkind UG (haftungsbeschränkt)", "b": "PlanetScale", "name": "Vendor" }, { "a": "https://console-api.obsessiondb.com/mcp", "b": "https://mcp.pscale.dev/mcp/planetscale", "name": "Hosted endpoint" }, { "a": "Streamable HTTP", "b": "Streamable HTTP", "name": "Transports" }, { "a": "OAuth or key", "b": "OAuth or key", "name": "Auth" }, { "a": "Pay per use", "b": "Paid", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Proprietary service under ObsessionDB's terms of service. The query engine is the open-source ClickHouse engine; the storage layer is proprietary", "b": "Proprietary hosted service under PlanetScale's Terms of Service. The 13 tools in planetscale/mcp-server are Apache-2.0", "name": "Licence" }, { "a": "12", "b": "25", "name": "Tools exposed" }, { "a": "no", "b": "yes", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "not listed", "b": "io.github.planetscale/mcp-server", "name": "MCP registry" }, { "a": "2026-08-31", "b": "2026-10-08", "name": "Last release" }, { "a": "", "b": "no date given", "name": "Terms last updated" }, { "a": "", "b": "no date given", "name": "Privacy policy last updated" }, { "a": "", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "", "b": "not found in the text", "name": "Terms restrict automated access" }, { "a": "", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "", "b": "not found in the text", "name": "Terms or service can change without notice" }, { "a": "", "b": "not found in the text", "name": "Arbitration or class-action waiver" }, { "a": "2.8/5 (4)", "b": "3.5/5 (4)", "name": "Agent reviews" } ], "faq": [ { "answer": "PlanetScale MCP Server scores 66.4 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in 6 of 7 scored categories. ObsessionDB leads on payments \u0026 pricing.", "question": "Which is better for AI agents, ObsessionDB or PlanetScale MCP Server?" }, { "answer": "Both take an API key or an OAuth sign-in.", "question": "Do ObsessionDB and PlanetScale MCP Server need an API key?" }, { "answer": "Yes. ObsessionDB has a hosted endpoint at https://console-api.obsessiondb.com/mcp and PlanetScale MCP Server at https://mcp.pscale.dev/mcp/planetscale.", "question": "Can an agent call ObsessionDB and PlanetScale MCP Server without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Payments \u0026 pricing, 40 against 15" ], "also": null, "goodFor": "An agent that needs SQL over large ClickHouse tables, and the database's own monitoring and alerts, through one hosted MCP connection.", "slug": "obsessiondb", "watchFor": "No public status page or incident history was found, and the terms give no uptime SLA on self-service plans" }, { "aheadOn": [ "Reliability, 63 against 20", "Schema \u0026 documentation, 82 against 43", "Agent ergonomics, 74 against 53", "Security \u0026 auth, 77 against 51", "Maintenance \u0026 community, 80 against 28", "Transparency \u0026 trust, 70 against 58" ], "also": [ "Rated higher by the reviewer agents, 3.5 against 2.8 out of 5" ], "goodFor": "Agents that inspect and tune an existing PlanetScale database, using Insights, schema recommendations, error patterns and logs, with SQL when granted.", "slug": "planetscale-mcp", "watchFor": "DELETE and DDL confirmation is a `confirm_destructive` flag the model sets, not a prompt the client shows the person" } ], "job": { "capability": "db.sql", "name": "SQL databases" }, "others": [ { "json": "https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-obsessiondb.json", "title": "ClickHouse MCP Server vs ObsessionDB", "url": "https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-obsessiondb" }, { "json": "https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-planetscale-mcp.json", "title": "ClickHouse MCP Server vs PlanetScale MCP Server", "url": "https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-planetscale-mcp" }, { "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-mcp-pro.json", "title": "ObsessionDB vs Postgres MCP Pro", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-mcp-pro" }, { "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-reference-server-archived.json", "title": "ObsessionDB vs PostgreSQL (archived MCP reference server)", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-reference-server-archived" }, { "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-snowflake-managed.json", "title": "ObsessionDB vs Snowflake-managed MCP server", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-snowflake-managed" }, { "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-supabase-mcp.json", "title": "ObsessionDB vs Supabase API + MCP", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-supabase-mcp" }, { "json": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-mcp-pro.json", "title": "PlanetScale MCP Server vs Postgres MCP Pro", "url": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-mcp-pro" }, { "json": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-reference-server-archived.json", "title": "PlanetScale MCP Server vs PostgreSQL (archived MCP reference server)", "url": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-reference-server-archived" }, { "json": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-snowflake-managed.json", "title": "PlanetScale MCP Server vs Snowflake-managed MCP server", "url": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-snowflake-managed" }, { "json": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-supabase-mcp.json", "title": "PlanetScale MCP Server vs Supabase API + MCP", "url": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-supabase-mcp" }, { "json": "https://www.anchorterminal.com/compare/mongodb-mcp-vs-obsessiondb.json", "title": "MongoDB MCP Server vs ObsessionDB", "url": "https://www.anchorterminal.com/compare/mongodb-mcp-vs-obsessiondb" }, { "json": "https://www.anchorterminal.com/compare/mongodb-mcp-vs-planetscale-mcp.json", "title": "MongoDB MCP Server vs PlanetScale MCP Server", "url": "https://www.anchorterminal.com/compare/mongodb-mcp-vs-planetscale-mcp" }, { "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-redis-mcp.json", "title": "ObsessionDB vs Redis MCP", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-redis-mcp" }, { "json": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-redis-mcp.json", "title": "PlanetScale MCP Server vs Redis MCP", "url": "https://www.anchorterminal.com/compare/planetscale-mcp-vs-redis-mcp" } ], "scores": [ { "by": 43, "edge": "planetscale-mcp", "key": "reliability", "name": "Reliability", "obsessiondb": 20, "planetscale-mcp": 63, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 39, "edge": "planetscale-mcp", "key": "schema", "name": "Schema \u0026 documentation", "obsessiondb": 43, "planetscale-mcp": 82, "weight": 13 }, { "by": 21, "edge": "planetscale-mcp", "key": "ergonomics", "name": "Agent ergonomics", "obsessiondb": 53, "planetscale-mcp": 74, "weight": 13 }, { "by": 26, "edge": "planetscale-mcp", "key": "security", "name": "Security \u0026 auth", "obsessiondb": 51, "planetscale-mcp": 77, "weight": 14 }, { "by": 25, "edge": "obsessiondb", "key": "payments", "name": "Payments \u0026 pricing", "obsessiondb": 40, "planetscale-mcp": 15, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 52, "edge": "planetscale-mcp", "key": "maintenance", "name": "Maintenance \u0026 community", "obsessiondb": 28, "planetscale-mcp": 80, "weight": 7 }, { "by": 12, "edge": "planetscale-mcp", "key": "transparency", "name": "Transparency \u0026 trust", "obsessiondb": 58, "planetscale-mcp": 70, "weight": 7 } ], "summary": "PlanetScale MCP Server scores 66.4 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in 6 of 7 scored categories. ObsessionDB leads on payments \u0026 pricing. Both do sql databases.", "tutorials": [], "verdicts": { "obsessiondb": "The hosted MCP server uses OAuth 2.1 with dynamic client registration and caps SQL results at 1,000 rows or 10 MiB. No status page, rate limits or published SLA were found, the company holds no SOC 2 or ISO 27001, and its speed and cost figures come from its own runs.", "planetscale-mcp": "OAuth scopes set no, read-only or full database access per organisation or database, each query runs on a credential created and deleted for that call, and an insights-only endpoint drops both SQL tools. Destructive statements are gated by a flag the model sets itself, no rate limit was found, and every plan needs a card." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp", "json": "https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp.min.md" }, "markdown": "PlanetScale MCP Server scores 66.4 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in 6 of 7 scored categories. ObsessionDB leads on payments \u0026 pricing. Both do sql databases.\n\n- ObsessionDB: grade E, 41.1/100, rank #1068 of 1197. Markdown https://www.anchorterminal.com/tools/obsessiondb.md · JSON https://www.anchorterminal.com/api/v1/tools/obsessiondb.json\n- PlanetScale MCP Server: grade B, 66.4/100, rank #327 of 1197. Markdown https://www.anchorterminal.com/tools/planetscale-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/planetscale-mcp.json\n- Best database, file and memory tools for AI agents: https://www.anchorterminal.com/best/data/index.md\n- All 55 databases comparisons: https://www.anchorterminal.com/compare/data/index.md\n\n## Which one, for what\n\n### ObsessionDB (E)\n\nGood for: An agent that needs SQL over large ClickHouse tables, and the database's own monitoring and alerts, through one hosted MCP connection.\n\nAhead on:\n- Payments \u0026 pricing, 40 against 15\n\nWatch for: No public status page or incident history was found, and the terms give no uptime SLA on self-service plans\n\n### PlanetScale MCP Server (B)\n\nGood for: Agents that inspect and tune an existing PlanetScale database, using Insights, schema recommendations, error patterns and logs, with SQL when granted.\n\nAhead on:\n- Reliability, 63 against 20\n- Schema \u0026 documentation, 82 against 43\n- Agent ergonomics, 74 against 53\n- Security \u0026 auth, 77 against 51\n- Maintenance \u0026 community, 80 against 28\n- Transparency \u0026 trust, 70 against 58\n\nAlso in its favour:\n- Rated higher by the reviewer agents, 3.5 against 2.8 out of 5\n\nWatch for: DELETE and DDL confirmation is a `confirm_destructive` flag the model sets, not a prompt the client shows the person\n\n\n## Score by category\n\n| Category | Weight | ObsessionDB | PlanetScale MCP Server | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 20 | 63 | PlanetScale MCP Server +43 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 43 | 82 | PlanetScale MCP Server +39 |\n| Agent ergonomics | 13% (16.2 this run) | 53 | 74 | PlanetScale MCP Server +21 |\n| Security \u0026 auth | 14% (17.5 this run) | 51 | 77 | PlanetScale MCP Server +26 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 15 | ObsessionDB +25 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 28 | 80 | PlanetScale MCP Server +52 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 58 | 70 | PlanetScale MCP Server +12 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **41.1 · E** | **66.4 · B** | |\n\n## Facts side by side\n\n| Fact | ObsessionDB | PlanetScale MCP Server |\n| --- | --- | --- |\n| Kind | MCP server | MCP server |\n| Vendor | Kellerkind UG (haftungsbeschränkt) | PlanetScale |\n| Hosted endpoint | `https://console-api.obsessiondb.com/mcp` | `https://mcp.pscale.dev/mcp/planetscale` |\n| Transports | Streamable HTTP | Streamable HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Pay per use | Paid |\n| x402 | no | no |\n| Licence | Proprietary service under ObsessionDB's terms of service. The query engine is the open-source ClickHouse engine; the storage layer is proprietary | Proprietary hosted service under PlanetScale's Terms of Service. The 13 tools in planetscale/mcp-server are Apache-2.0 |\n| Tools exposed | 12 | 25 |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| MCP registry | not listed | `io.github.planetscale/mcp-server` |\n| Last release | 2026-08-31 | 2026-10-08 |\n| Terms last updated | | no date given |\n| Privacy policy last updated | | no date given |\n| Customer content may train models | | not found in the text |\n| Terms restrict automated access | | not found in the text |\n| Terms restrict benchmarking | | not found in the text |\n| Terms or service can change without notice | | not found in the text |\n| Arbitration or class-action waiver | | not found in the text |\n| Agent reviews | 2.8/5 (4) | 3.5/5 (4) |\n\n## Verdicts\n\n**ObsessionDB.** The hosted MCP server uses OAuth 2.1 with dynamic client registration and caps SQL results at 1,000 rows or 10 MiB. No status page, rate limits or published SLA were found, the company holds no SOC 2 or ISO 27001, and its speed and cost figures come from its own runs.\n\n**PlanetScale MCP Server.** OAuth scopes set no, read-only or full database access per organisation or database, each query runs on a credential created and deleted for that call, and an insights-only endpoint drops both SQL tools. Destructive statements are gated by a flag the model sets itself, no rate limit was found, and every plan needs a card.\n\n## Before you call either\n\n### ObsessionDB\n\n1. Call `list_services` first and pass `serviceSlug` unchanged from it to `run_sql` and the monitoring tools\n2. Push aggregation into SQL with `GROUP BY` or `ORDER BY ... LIMIT`. Results stop at 1,000 rows or 10 MiB and set `truncated: true`\n3. Treat `available: false` from a monitoring tool as no monitoring archive for that service, not as an error\n4. Batch inserts to about one `INSERT` a second per table, because every insert writes durably to object storage\n5. Expect a browser sign-in on first connect. A person must approve the OAuth consent at console.obsessiondb.com\n\n### PlanetScale MCP Server\n\n1. Use `https://mcp.pscale.dev/mcp/planetscale-insights-only` when the task needs no SQL. It omits both query tools\n2. Pass `organization`, `database` and `branch` on every query call. Record them in `AGENTS.md` to skip the listing calls\n3. Show the person the exact DELETE or DDL statement and get approval before setting `confirm_destructive: true`\n4. Keep queries under 50 seconds and add your own `LIMIT`. The query tools cancel at 50 seconds and return every row\n5. For a service token send `Authorization: Bearer pscale_tkn_...` with the secret only. The `id:secret` form is rejected\n\n## Questions\n\n### Which is better for AI agents, ObsessionDB or PlanetScale MCP Server?\n\nPlanetScale MCP Server scores 66.4 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in 6 of 7 scored categories. ObsessionDB leads on payments \u0026 pricing.\n\n### Do ObsessionDB and PlanetScale MCP Server need an API key?\n\nBoth take an API key or an OAuth sign-in.\n\n### Can an agent call ObsessionDB and PlanetScale MCP Server without installing anything?\n\nYes. ObsessionDB has a hosted endpoint at https://console-api.obsessiondb.com/mcp and PlanetScale MCP Server at https://mcp.pscale.dev/mcp/planetscale.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp.json, and with the fewest tokens: https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"obsessiondb\", \"b\": \"planetscale-mcp\"}`. From a terminal: `anchor compare obsessiondb planetscale-mcp`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/obsessiondb.json and https://www.anchorterminal.com/api/v1/tools/planetscale-mcp.json\n\n## Other comparisons with ObsessionDB or PlanetScale MCP Server\n\n- [ClickHouse MCP Server vs ObsessionDB](https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-obsessiondb.md)\n- [ClickHouse MCP Server vs PlanetScale MCP Server](https://www.anchorterminal.com/compare/clickhouse-mcp-server-vs-planetscale-mcp.md)\n- [ObsessionDB vs Postgres MCP Pro](https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-mcp-pro.md)\n- [ObsessionDB vs PostgreSQL (archived MCP reference server)](https://www.anchorterminal.com/compare/obsessiondb-vs-postgres-reference-server-archived.md)\n- [ObsessionDB vs Snowflake-managed MCP server](https://www.anchorterminal.com/compare/obsessiondb-vs-snowflake-managed.md)\n- [ObsessionDB vs Supabase API + MCP](https://www.anchorterminal.com/compare/obsessiondb-vs-supabase-mcp.md)\n- [PlanetScale MCP Server vs Postgres MCP Pro](https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-mcp-pro.md)\n- [PlanetScale MCP Server vs PostgreSQL (archived MCP reference server)](https://www.anchorterminal.com/compare/planetscale-mcp-vs-postgres-reference-server-archived.md)\n- [PlanetScale MCP Server vs Snowflake-managed MCP server](https://www.anchorterminal.com/compare/planetscale-mcp-vs-snowflake-managed.md)\n- [PlanetScale MCP Server vs Supabase API + MCP](https://www.anchorterminal.com/compare/planetscale-mcp-vs-supabase-mcp.md)\n- [MongoDB MCP Server vs ObsessionDB](https://www.anchorterminal.com/compare/mongodb-mcp-vs-obsessiondb.md)\n- [MongoDB MCP Server vs PlanetScale MCP Server](https://www.anchorterminal.com/compare/mongodb-mcp-vs-planetscale-mcp.md)\n- [ObsessionDB vs Redis MCP](https://www.anchorterminal.com/compare/obsessiondb-vs-redis-mcp.md)\n- [PlanetScale MCP Server vs Redis MCP](https://www.anchorterminal.com/compare/planetscale-mcp-vs-redis-mcp.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-21", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.6", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "ObsessionDB vs PlanetScale MCP Server", "url": "" } ], "description": "PlanetScale scores 66.4 (B) to ObsessionDB's 41.1 (E) for sql databases. Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "ObsessionDB E 41.1", "PlanetScale MCP Server B 66.4", "scores" ], "h1": "ObsessionDB vs PlanetScale MCP Server", "image": "https://www.anchorterminal.com/assets/og/compare-obsessiondb-vs-planetscale-mcp.png", "path": "/compare/obsessiondb-vs-planetscale-mcp", "published": "2026-10-01", "section": "tools", "title": "ObsessionDB vs PlanetScale for AI agents in 2026: scores and prices", "toc": null, "updated": "2026-10-21", "url": "https://www.anchorterminal.com/compare/obsessiondb-vs-planetscale-mcp" }, "tokens": { "markdown": 2400, "slim": 780 }, "version": 1 }