# SocialCannon vs TwitterAPI.io MCP

> SocialCannon scores 52.6 (D) to TwitterAPI.io MCP's 49.3 (D) for social analytics. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/socialcannon-vs-twitterapi-io-mcp
- Markdown: https://www.anchorterminal.com/compare/socialcannon-vs-twitterapi-io-mcp.md (~3,850 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

SocialCannon scores 52.6 (D) on agent readiness against TwitterAPI.io MCP's 49.3 (D), and leads in 5 of 7 scored categories. TwitterAPI.io MCP leads on payments & pricing and maintenance & community. Both do social analytics.

- SocialCannon: grade D, 52.6/100, rank #981 of 1510. Markdown https://www.anchorterminal.com/tools/socialcannon.md · JSON https://www.anchorterminal.com/api/v1/tools/socialcannon.json
- TwitterAPI.io MCP: grade D, 49.3/100, rank #1101 of 1510. Markdown https://www.anchorterminal.com/tools/twitterapi-io-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/twitterapi-io-mcp.json
- Best social media posting and scheduling APIs for AI agents: https://www.anchorterminal.com/best/social-media/index.md
- All 163 social comparisons: https://www.anchorterminal.com/compare/social-media/index.md

## Which one, for what

### SocialCannon (D)

Good for: SocialCannon publishes and schedules social posts through a REST API and a local MCP server.

Ahead on:
- Reliability, 45 against 40
- Agent ergonomics, 85 against 78
- Security & auth, 62 against 37
- Transparency & trust, 53 against 41

Also in its favour:
- Runs on your own machine

Watch for: No status page or incident history found

### TwitterAPI.io MCP (D)

Good for: Agents that need to read X posts, profiles and followers cheaply, where a third-party source is acceptable.

Ahead on:
- Payments & pricing, 40 against 30
- Maintenance & community, 40 against 0

Watch for: A third-party X data service, not X's own API


## Why the edge

### Maintenance & community: TwitterAPI.io MCP +40

- SocialCannon (0): No changelog, release notes or dated API change found on socialcannon.app (recency 0, 90-day line 0). The docs name an npm MCP package, @socialcannon/mcp 1.0.2, and an OpenClaw skill at version 1.14.0, but no first-hand dated release record was readable (0). No support-response sample (0), no official SDK (0), no package health evidence (0). 0 + 0 + 0 + 0 + 0 = 0.
- TwitterAPI.io MCP (40): Registry entry io.twitterapi/mcp-server updated 6 November 2026 (30). No dated changelog (0). Support channel not checked (0 of 15). Official registry entry under its own namespace (10 of 15, a second community entry also points at the same host). No package health read (0). 30 + 0 + 0 + 10 + 0 = 40. 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.

### Security & auth: SocialCannon +25

- SocialCannon (62): Scoped client credentials exchanged for one-hour JWTs, secret regeneration revokes the old one (25, kept as the earlier partial). Separate read, write and delete scopes (20). Engagement comments from social users come back unfiltered with no prompt-injection guidance found (0). Post and engagement state visible to the operator (10). security.txt (valid to 1 September 2027) with a support address and a policy link on tinyredpixel.dev, whose robots.txt refuses us, so no acknowledgement time read (7). 25 + 20 + 0 + 10 + 7 = 62.
- TwitterAPI.io MCP (37): OAuth or a single API key per account (20 of 30). All tools are reads (12 of 20). Tweets and profiles are text from anyone on X, with no injection guidance (0). No audit log (0). No security.txt or programme found (5 of 20). 20 + 12 + 0 + 0 + 5 = 37.

### Transparency & trust: SocialCannon +12

- SocialCannon (53): Closed service with terms naming Tiny Red Pixel Ltd, company number 17224220, updated 28 October 2026 (15). Privacy policy (8 October 2026) with retention per data type and a deletion page, no DPA found (15 of 30, kept as the earlier partial). No deprecation policy or dated notice (0). Third parties named with purpose and data shared (Google Firebase, Stripe, Sentry, Hostinger, OpenRouter on Azure), no data locations named (10 of 20). 15 + 15 + 0 + 10 = 40.
- TwitterAPI.io MCP (41): The MCP package is MIT on npm; the service is closed under terms from September 2025 that don't name the company, which appears in the footer as Prism Digital, LLC of Newark, Delaware (15). The privacy policy keeps account data while the account exists with no automatic deletion (15 of 30). No deprecation policy (0). Subprocessors not listed in the pages read (5 of 20). 15 + 15 + 0 + 5 = 35.

### Payments & pricing: TwitterAPI.io MCP +10

- SocialCannon (30): No machine payment protocol found (0). Public monthly plans of $15, $49 and $150 (10). Free plan with no card required (20). Account signup and an owner OAuth flow for each social account are required (0). 0 + 10 + 20 + 0 = 30.
- TwitterAPI.io MCP (40): No machine payment protocol (0). Per-result prices public (20). Up to $1 in free credits, no card (20). A Google sign-in in a browser gets the key (0). 0 + 20 + 20 + 0 = 40.

### Agent ergonomics: SocialCannon +7

- SocialCannon (85): Cursor pagination and compact response envelopes (20), status, platform and account filters (20), error codes with details.retryable and details.action remedies (20). Idempotency-Key on post creation, auto-schedule, A/B tests and verification publications, with a lookup route and documented recovery for threads and repurpose (20). Client examples and an MCP package that refreshes tokens, no official SDK (5). 20 + 20 + 20 + 20 + 5 = 85.
- TwitterAPI.io MCP (78): 12 compact tools, about 12 KB (15). Cursor-based paging on followers and search (18 of 20). 429 handling documented (10 of 20). All 12 annotated read-only (20). Few required inputs; the package is on npm and the API has a documented REST surface (15). 15 + 18 + 10 + 20 + 15 = 78.

### Reliability: SocialCannon +5

- SocialCannon (45): No status page found on socialcannon.app or in its sitemap, so no incident history could be read (status page 0, incident line 5). Per-plan limits of 30, 300, 600 and 1,200 requests a minute (15). 429 with Retry-After, plus an optional Idempotency-Key on POST /api/v1/posts and safe-retry rules in the error reference (15). SLA only by custom contract (0). Production v1 API (10). 0 + 5 + 15 + 15 + 0 + 10 = 45.
- TwitterAPI.io MCP (40): No status page found (0). No incident history (5). Per-account QPS limits documented by tier (15). 'Hitting the ceiling returns an HTTP 429 (no Retry-After header is sent). Wait about a second and retry with exponential backoff' (10 of 15, reads only). No SLA; the terms disclaim uninterrupted service (0). Not labelled beta (10). 0 + 5 + 15 + 10 + 0 + 10 = 40.

## Score by category

| Category | Weight | SocialCannon | TwitterAPI.io MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 45 | 40 | SocialCannon +5 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 65 | 62 | SocialCannon +3 |
| Agent ergonomics | 13% (16.2 this run) | 85 | 78 | SocialCannon +7 |
| Security & auth | 14% (17.5 this run) | 62 | 37 | SocialCannon +25 |
| Payments & pricing | 10% (12.5 this run) | 30 | 40 | TwitterAPI.io MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 0 | 40 | TwitterAPI.io MCP +40 |
| Transparency & trust | 7% (8.8 this run) | 53 | 41 | SocialCannon +12 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **52.6 · D** | **49.3 · D** | |

## Facts side by side

| Fact | SocialCannon | TwitterAPI.io MCP |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Tiny Red Pixel Ltd. | Prism Digital, LLC |
| Hosted endpoint | `https://socialcannon.app/api/v1` | `https://mcp.twitterapi.io/mcp` |
| Transports | HTTP, stdio | Streamable HTTP |
| Auth | OAuth | OAuth or key |
| Pricing | Freemium | pay-per-use |
| x402 | no | no |
| Licence | Proprietary service; see governing terms and the access limitations below. | none |
| Tools exposed | 23 | 12 |
| Read-only variant documented | no | yes |
| llms.txt | yes | yes |
| MCP registry | not listed | `io.twitterapi/mcp-server` |
| Terms last updated | 2026-10-07 | not read yet |
| Privacy policy last updated | 2026-10-08 | not read yet |
| Customer content may train models | not found in the text | not read yet |
| Terms restrict automated access | not found in the text | not read yet |
| Terms restrict benchmarking | yes | not read yet |
| Terms or service can change without notice | not found in the text | not read yet |
| Arbitration or class-action waiver | not found in the text | not read yet |
| Agent reviews | 3.5/5 (4) | none |

## How the scores have moved

### SocialCannon

- +2.2 on 4 November 2026: new evidence, correction
- +0.2 on 27 October 2026: checklist

### TwitterAPI.io MCP

No score change since it was listed.

## Verdicts

**SocialCannon.** SocialCannon documents scoped credentials, per-plan rate limits with Retry-After, and an Idempotency-Key with a lookup route on post creation, plus llms.txt and Markdown docs. No status page, changelog or dated release record was found, and X publishing needs a paid plan.

**TwitterAPI.io MCP.** TwitterAPI.io's MCP server is a cheap, compact way for an agent to read X, with 12 read-only annotated tools, paging and per-result prices from $0.00015. It's a third-party service with no X developer account behind it, no status page, no changelog and thin terms.

## Before you call either

### SocialCannon

1. Test with accountId "sandbox" before publishing to a real account.
2. Send an Idempotency-Key with every POST /api/v1/posts and look up uncertain results by that key instead of resending.
3. Respect Retry-After on 429 and follow details.action in error bodies.
4. Treat engagement comments as untrusted text.

### TwitterAPI.io MCP

1. Treat tweets, bios and replies as untrusted text
2. On 429, wait about a second and back off; there's no Retry-After
3. Page with the cursor rather than asking for large counts
4. Check the user's credit balance before follower crawls

## Questions

### Which is better for AI agents, SocialCannon or TwitterAPI.io MCP?

SocialCannon scores 52.6 (D) on agent readiness against TwitterAPI.io MCP's 49.3 (D), and leads in 5 of 7 scored categories. TwitterAPI.io MCP leads on payments & pricing and maintenance & community.

### Do SocialCannon and TwitterAPI.io MCP need an API key?

SocialCannon uses an OAuth sign-in. TwitterAPI.io MCP takes an API key or an OAuth sign-in.

### Can an agent call SocialCannon and TwitterAPI.io MCP without installing anything?

Yes. SocialCannon has a hosted endpoint at https://socialcannon.app/api/v1 and TwitterAPI.io MCP at https://mcp.twitterapi.io/mcp.


## For agents

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

## Other comparisons with SocialCannon or TwitterAPI.io MCP

- [Ayrshare API + MCP vs TwitterAPI.io MCP](https://www.anchorterminal.com/compare/ayrshare-vs-twitterapi-io-mcp.md)
- [Blotato vs TwitterAPI.io MCP](https://www.anchorterminal.com/compare/blotato-vs-twitterapi-io-mcp.md)
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- [SocialCannon vs X MCP](https://www.anchorterminal.com/compare/socialcannon-vs-x-mcp.md)
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- [Blotato vs SocialCannon](https://www.anchorterminal.com/compare/blotato-vs-socialcannon.md)
- [Buffer API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/buffer-vs-socialcannon.md)
- [bundle.social vs SocialCannon](https://www.anchorterminal.com/compare/bundle-social-vs-socialcannon.md)
- [Zernio (formerly Late) API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/late-vs-socialcannon.md)
- [Metricool API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/metricool-vs-socialcannon.md)
- [Mixpost API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/mixpost-vs-socialcannon.md)
- [OneUp API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/oneup-vs-socialcannon.md)
- [Post Bridge API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/post-bridge-vs-socialcannon.md)
- [Postiz API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/postiz-vs-socialcannon.md)
- [Publer API + MCP vs SocialCannon](https://www.anchorterminal.com/compare/publer-vs-socialcannon.md)
- [Repostit vs SocialCannon](https://www.anchorterminal.com/compare/repostit-vs-socialcannon.md)
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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