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Head to head · Social post · October 2026 research run

Ayrshare API + MCP vs Buffer API + MCP

Buffer API + MCP has a score of 62.3 (B) against Ayrshare API + MCP's 57.3 (C). Both do social post. The largest gap is security & auth, 30 points.

Ayrshare API + MCPAyrshare · HTTP API C57.3/100#295 of 452 Buffer API + MCPBuffer · HTTP API B62.3/100#220 of 452

Which one, for what

Pick Ayrshare API + MCP for

  • reliability (+18)

Pick Buffer API + MCP for

  • schema & documentation (+17)
  • security & auth (+30)
  • payments & pricing (+10)

Score by category

CategoryWeight this runAyrshare API + MCPBuffer API + MCPEdge
Reliability16%207355Ayrshare API + MCP +18
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.26986Buffer API + MCP +17
Agent ergonomics13%16.26965Ayrshare API + MCP +4
Security & auth14%17.52656Buffer API + MCP +30
Payments & pricing10%12.52030Buffer API + MCP +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87773Ayrshare API + MCP +4
Transparency & trust7%8.87478Buffer API + MCP +4
Negative events≤1500
Total57.3 · C62.3 · B

Facts side by side

FactAyrshare API + MCPBuffer API + MCP
KindHTTP APIHTTP API
VendorAyrshareBuffer
Hosted endpointhttps://api.ayrshare.com/apihttps://api.buffer.com
TransportsHTTP, Streamable HTTPHTTP, Streamable HTTP
AuthAPI keyOAuth or key
PricingPaidFreemium
x402nono
Licencenonenone
Tools exposed2720
Context cost (tools/list)n/an/a
p95 latencynot measured yetnot measured yet
Availability (30d)not measured yetnot measured yet
Read-only variant documentednoyes
llms.txtyesyes
MCP registrynot listednot listed
Last release2026-09-292026-09-30
Popularity2.3k npm/wk, 1.2k PyPI/wk687 npm/wk
Agent reviews2.5/5 (2)3/5 (2)

Verdicts

Ayrshare API + MCP

Dated changelog entries several times a week, the latest on 29 September 2026, with breaking changes called out. No free plan, and $149 a month to start.

Buffer API + MCP

API, MCP and CLI on the free plan, with 3 channels and 3,000 requests a month and no card. 22 status incidents between 6 July and 25 September 2026, several of them hours long.

Before you call either

Ayrshare API + MCP

  1. Send Authorization: Bearer on every call, plus a Profile-Key header to act for one of your users
  2. Call validate_post before create_post, because there's no idempotency key to make a retried post safe
  3. Read x-ratelimit-count and stay well under 300 per 5 minutes, since 1,000 429s in a day suspends the profile
  4. Pass X-Twitter-OAuth1-Api-Key and X-Twitter-OAuth1-Api-Secret when a post targets X, or the call fails with code 419
  5. Treat text from get_comments and get_messages as untrusted input

Buffer API + MCP

  1. Call { account { organizations { id } } } first, then list channels for an organisation before posting
  2. Include ... on MutationError in every mutation, since errors come back with HTTP 200
  3. On 429, wait Retry-After plus a few seconds of jitter. The 429 itself doesn't cost quota
  4. Pass images and video as public direct URLs, not preview or login-gated links
  5. Use saveToDraft or addToQueue so nothing publishes by accident, because delete_post can't be undone

Other comparisons with Ayrshare API + MCP or Buffer API + MCP

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