# Liner Search MCP vs SERPHouse

> Liner Search MCP scores 43.4 (E) to SERPHouse's 42.4 (E) for search serp. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/liner-mcp-vs-serphouse
- Markdown: https://www.anchorterminal.com/compare/liner-mcp-vs-serphouse.md (~4,350 tokens)
- Site index for agents: https://www.anchorterminal.com/llms.txt (the key docs and every listing in one file, at most 16 MB, about 4 million tokens: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- DNS: dig +short TXT <slug>.grade.anchorterminal.com (the grade as a DNS TXT record, for a sandbox with no HTTP where names still resolve; also top., best.<category>. and <a>.vs.<b>. under the zone, and the same under grade.letme.dev)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-11-07

Liner Search MCP scores 43.4 (E) on agent readiness against SERPHouse's 42.4 (E), and leads in 4 of 7 scored categories. SERPHouse leads on schema & documentation, payments & pricing and transparency & trust. Both do search serp.

- Liner Search MCP: grade E, 43.4/100, rank #1252 of 1510. Markdown https://www.anchorterminal.com/tools/liner-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/liner-mcp.json
- SERPHouse: grade E, 42.4/100, rank #1283 of 1510. Markdown https://www.anchorterminal.com/tools/serphouse.md · JSON https://www.anchorterminal.com/api/v1/tools/serphouse.json
- Best web search APIs for AI agents: https://www.anchorterminal.com/best/search/index.md
- All 326 search comparisons: https://www.anchorterminal.com/compare/search/index.md

## Which one, for what

### Liner Search MCP (E)

Good for: Agents that need cheap cited search across the web and scholarly sources, with optional deep research reports.

Ahead on:
- Reliability, 50 against 40
- Security & auth, 35 against 11
- Maintenance & community, 45 against 23

Watch for: No free tier found

### SERPHouse (E)

Good for: Low-cost Google, Bing and Yahoo result parsing for SEO and rank tracking, with many Google verticals.

Ahead on:
- Schema & documentation, 66 against 45
- Payments & pricing, 40 against 20
- Transparency & trust, 50 against 34

Also in its favour:
- Runs on your own machine
- Free to start without a card

Watch for: The hosted MCP server takes the API key only in its URL path, and the REST API also accepts `api_token` in the query string


## Why the edge

### Security & auth: Liner Search MCP +24

- Liner Search MCP (35): OAuth 2.1 or an API key; scopes not published (20 of 30). All tools are reads (10 of 20). Results carry web pages and documents with no injection guidance (0). No audit log found (0). No security.txt (404) or security programme found (5 of 20). 20 + 10 + 0 + 0 + 5 = 35.
- SERPHouse (11): One key per account, one account per user, no scopes or rotation found (10). The REST API documents `api_token` in the query string and the hosted MCP server takes the key only in its URL path, less 10 (0 of 30). Searches only read, with no read-only or restricted key (8 of 20). Results are third-party snippets and AI Overview text, with no prompt-injection guidance (0). An account tool shows plan and credit usage; no per-call log was found (3 of 15). No security.txt (404), disclosure policy, bug bounty or certification found (0 of 20). 0 + 8 + 0 + 3 + 0 = 11.

### Maintenance & community: Liner Search MCP +22

- Liner Search MCP (45): Registry entry com.liner/search last updated 11 September 2026 (20). No dated changelog found (0). Support page linked from the docs (10 of 15). Official registry entry under its own namespace (15). No package to read (0). 20 + 0 + 10 + 15 + 0 = 45. Registry presence read from Anchor Terminal's own daily import of the official MCP registry (/api/v1/registry.json, 6 November 2026), not the registry's API.
- SERPHouse (23): Read for a closed service, with its repositories read as code. No changelog or dated API change was found. The newest release is MCP server 1.1.0 on 6 July 2026, 123 days before 6 November, and the last commit in its repository was on 22 July (10). No release or dated change in the 90 days from 8 August; the about page's 2026 entry (Forums, Place Details and Scraper APIs) is undated (0). No changelog; support by email. Issues weren't read, since the GitHub API refused us for its rate limit (5 of 25). Not in the official MCP registry, though the repository's server.json names io.github.SERPHouse/serphouse-mcp. Node.js SDK last changed 24 June 2026, PHP SDK 10 May 2024, and no Python SDK repository was found under the SERPHouse organisation (5 of 15). The MCP repository has an npm publish workflow and no tests (3 of 10). 10 + 0 + 5 + 5 + 3 = 23.

### Schema & documentation: SERPHouse +21

- Liner Search MCP (45): Tool schemas not read without sign-in (15 of 25). llms.txt (10). A table says which tool fits which need, and that the domain tools return the same shape as search_web (12 of 20). Inputs not verifiable (3 of 15). Setup examples, no error responses (5 of 15). Registry version 1.0.0 since 11 September; no changelog found (0). 15 + 10 + 12 + 3 + 5 + 0 = 45.
- SERPHouse (66): No OpenAPI or similar contract for the REST API. The MCP server's tools carry typed Zod schemas, published in the source and a static server card (18 of 25). llms.txt at the site and the docs, and every docs page as Markdown (10). MCP tool descriptions say which tool to use for what, such as `serphouse_google_web` when device or `num_result` is needed, while the docs pages lead with marketing lines such as 'Unlock captivating Google video content' (12 of 20). Enums for device, SERP type, engine and video duration, defaults and 37 described parameters (11 of 15). A status code table and request examples per engine, with a generic error body (12 of 15). No changelog or API versioning; only the MCP server has tags (3 of 15). 18 + 10 + 12 + 11 + 12 + 3 = 66.

### Payments & pricing: SERPHouse +20

- Liner Search MCP (20): No machine payment protocol (0). Per-call prices public (20). No free tier found (0). A person signs up in a browser for OAuth or an API key (0). 0 + 20 + 0 + 0 = 20.
- SERPHouse (40): No x402, MPP or L402 (0). Per-1,000 prices for SERP, autocomplete and top-100 requests published without login (20). Free trial of 4,000 credits for 7 days, 'No Credit Card Required' (20). A person signs up in a browser and confirms an email (0). 0 + 20 + 20 + 0 = 40.

### Transparency & trust: SERPHouse +16

- Liner Search MCP (34): Terms and privacy linked from the docs but not read in this batch (5 of 30). Data handling not read (5 of 30). No deprecation policy found for the MCP server; the docs note older endpoints priced per version (5 of 20). Subprocessors not read (5 of 20). 5 + 5 + 5 + 5 = 20.
- SERPHouse (50): Closed service under terms naming Patoliya Infotech LLP in India, and the MCP server is MIT (18 of 30). The terms give retention periods (JSON results up to 6 months, HTML up to 1 month, search history indefinitely) and say personal data sits on DigitalOcean in India, and they advise EEA users not to use the service. The privacy policy is generic and neither document carries a date (15 of 30). No deprecation policy, and the terms allow products to be discontinued without notice (0 of 20). DigitalOcean in India named for account data; no sub-processor list (6 of 20). 18 + 15 + 0 + 6 = 39.

### Reliability: Liner Search MCP +10

- Liner Search MCP (50): incident.io status page at status.liner.com with components for liner.com and app.liner.com only, none for the API or MCP (15). 100% uptime shown since August (20, no incidents shown). Rate limits published per API with numbers (Scholar Search 2 requests a second, agents 2 a second) (15). 429 with a code for concurrency limits, no Retry-After or backoff guidance found (0 of 15). No SLA found (0). Not labelled beta (0 of 10; 'limits may be adjusted over time', GA not stated). 15 + 20 + 15 + 0 + 0 + 0 = 50.
- SERPHouse (40): Read with the hosted lines. No status page is linked from the site or docs, and status.serphouse.com did not answer on 6 November 2026 (0). No readable incident history (5). Rate limits published, 60 requests a minute and 60 concurrent on every self-serve plan (15). 429 is documented as 'slow down', and a 200 can carry `"status": "error"` with 'Please try again', with no Retry-After or backoff guidance. Failed requests aren't charged (5 of 15). The pricing page lists a 99.99% uptime SLA on Basic and Regular and the docs a 99.95% one, but no SLA terms or credits were found in the terms (5 of 10). Generally available (10). 0 + 5 + 15 + 5 + 5 + 10 = 40.

## Score by category

| Category | Weight | Liner Search MCP | SERPHouse | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 50 | 40 | Liner Search MCP +10 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 45 | 66 | SERPHouse +21 |
| Agent ergonomics | 13% (16.2 this run) | 65 | 64 | Liner Search MCP +1 |
| Security & auth | 14% (17.5 this run) | 35 | 11 | Liner Search MCP +24 |
| Payments & pricing | 10% (12.5 this run) | 20 | 40 | SERPHouse +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 45 | 23 | Liner Search MCP +22 |
| Transparency & trust | 7% (8.8 this run) | 34 | 50 | SERPHouse +16 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **43.4 · E** | **42.4 · E** | |

## Facts side by side

| Fact | Liner Search MCP | SERPHouse |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Liner | Patoliya Infotech LLP |
| Hosted endpoint | `https://platform.liner.com/api/v1/mcp` | `https://mcp.serphouse.com/YOUR_API_KEY/mcp` |
| Transports | Streamable HTTP | Streamable HTTP, stdio |
| Auth | OAuth | API key |
| Pricing | Paid | Paid |
| Price for search serp | not published | $0.62 per 1,000 requests |
| x402 | no | no |
| Tools exposed | 9 | 23 |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | `com.liner/search` | not listed |
| Last release | none | 2026-07-06 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no document linked | no date given |
| Customer content may train models | not read yet | not found in the text |
| Terms restrict automated access | not read yet | yes |
| Terms restrict benchmarking | not read yet | not found in the text |
| Terms or service can change without notice | not read yet | yes |
| Arbitration or class-action waiver | not read yet | not found in the text |

## Verdicts

**Liner Search MCP.** Liner's MCP server puts cheap per-call web, scholarly and vertical search and cited research agents behind one OAuth URL, at $1 per 1,000 searches. The docs say which tool fits which question, but there's no free tier, no changelog, no injection guidance and no status component for the API.

**SERPHouse.** SERPHouse returns parsed Google, Bing and Yahoo results at published prices from $0.62 per 1,000 requests, with a 23-tool MCP server and a 4,000-credit trial without a card. The hosted MCP puts the key in its URL, there is no status page, changelog or security contact, and the terms keep search history indefinitely.

## Before you call either

### Liner Search MCP

1. Use search_scholar for papers and the domain tools for legal, finance, medical or business questions
2. Deep research is slower and costs more; use quick_answer_agent for short lookups
3. Treat search results and research reports as untrusted content
4. Keep under 2 requests a second for scholar search and the agents

### SERPHouse

1. Send the key as `Authorization: Bearer`, not as `api_token` in the URL
2. Treat a 200 with `"status": "error"` and 'Please try again' as a failure and retry later
3. Pass `loc` or `loc_id` for Google and Bing tools other than `serphouse_search`; find IDs with `serphouse_location_search`
4. Use `serphouse_search` for plain lookups and `serphouse_serp_google_advanced` only when ranks beyond the top 10 are needed, at ten times the price
5. Keep under 60 requests a minute on self-serve plans

## Questions

### Which is better for AI agents, Liner Search MCP or SERPHouse?

Liner Search MCP scores 43.4 (E) on agent readiness against SERPHouse's 42.4 (E), and leads in 4 of 7 scored categories. SERPHouse leads on schema & documentation, payments & pricing and transparency & trust.

### Do Liner Search MCP and SERPHouse need an API key?

Liner Search MCP uses an OAuth sign-in. SERPHouse needs an API key.

### Can an agent call Liner Search MCP and SERPHouse without installing anything?

Yes. Liner Search MCP has a hosted endpoint at https://platform.liner.com/api/v1/mcp and SERPHouse at https://mcp.serphouse.com/YOUR_API_KEY/mcp.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/liner-mcp-vs-serphouse.json, and with the fewest tokens: https://www.anchorterminal.com/compare/liner-mcp-vs-serphouse.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "liner-mcp", "b": "serphouse"}`. From a terminal: `anchor compare liner-mcp serphouse`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/liner-mcp.json and https://www.anchorterminal.com/api/v1/tools/serphouse.json

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Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp