Agent Connectors

Agent Connectors is an independent public directory of Model Context Protocol (MCP) servers and AI agent connectors. It provides a searchable listing of MCP servers, each with source citations, and offers JSON and Markdown representations for agents. The site also runs a free read‑only MCP server for querying listings. It is not a connector platform and does not host or run connectors itself.

Agent Connectors is listed with 1 API on the APIs.io network. Tagged areas include Directory, MCP, Artificial Intelligence, Open Data, and Public.

The Agent Connectors catalog on APIs.io includes 1 Spectral governance ruleset.

Agent Connectors’ developer surface includes changelog, documentation, API reference, pricing, and 16 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

32.7/100 thin ▼ -6.5 Agent 20/100 agent aware Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

1 API

Directory MCP Artificial Intelligence Open Data Public

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 32.7/100 · thin

Contract Quality 8.2 / 21

Developer Ergonomics 2.2 / 17

Access Clarity 7.2 / 17

Operational Transparency 1.5 / 11

Contract Governance 3.2 / 10

Discoverability 5.7 / 9

Regulatory Posture 1.8 / 15

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Government & Public Sector regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

9 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Developer Ergonomics scores 13.1 — up to +17.4 composite points
Contract Quality scores 38.6 — up to +15.4 composite points
Access Clarity scores 42.1 — up to +11.6 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/agentconnectors-dev/apis.yml: open an issue on github.com/api-evangelist/agentconnectors-dev to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

OpenAPI

measured — observed by APIs.io (published)

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Agent Connectors API

Public directory API providing listings of MCP servers.

Agent Connectors API pricing

Prices published by Agent Connectors, read 2026-11-01 from agentconnectors.dev/pricing.

Plan	Price
Enriched listing	$29 one-time
Featured listing	$19/month
Category sponsor	$79/month
Homepage sponsor	$149/month

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Agentconnectors Dev Plans Pricing

4 plans

PLANS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Agent Connectors API Rules

10 rules · 8 errors 1 warnings 1 info

SPECTRAL

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Agentconnectors Dev Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Agentconnectors Dev Agentic Access

3 operations

3 operations · 0 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Spectral

Spectral

ErrorCatalog

ErrorCatalog

Conformance

Conformance

Access & Security 2

Authentication, authorization, and security posture

Security

Security

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Contact

Contact

Commercial 3

Pricing, plans, and the legal terms of use

Plans

Plans

Pricing

Pricing

TermsOfService

TermsOfService

Company 2

The organization behind the API

Newsroom

Newsroom

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: agentconnectors-dev
name: Agent Connectors
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-06'
  method: derived
image: https://agentconnectors.dev/opengraph-image?b34e10c01bcb3d0f
description: Agent Connectors is an independent public directory of Model Context Protocol (MCP) servers and AI agent connectors.
  It provides a searchable listing of MCP servers, each with source citations, and offers JSON and Markdown representations
  for agents. The site also runs a free read‑only MCP server for querying listings. It is not a connector platform and does
  not host or run connectors itself.
url: https://artifacts.apis.io/agentconnectors-dev/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-01 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-01'
modified: '2026-11-01'
tags:
- Directory
- MCP
- Artificial Intelligence
- Open Data
- Public
tags_raw:
- Directory
- MCP
- AI
- OpenData
- Public
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/agentconnectors-dev-agentic-access.yml
- type: Plans
  url: plans/agentconnectors-dev-plans-pricing.yml
- type: Spectral
  url: rules/agentconnectors-dev-rules.yml
- type: ErrorCatalog
  url: errors/agentconnectors-dev-problem-types.yml
- type: Conformance
  url: conformance/agentconnectors-dev-conformance.yml
- type: LLMsTxt
  url: llms/agentconnectors-dev-llms.txt
- type: WellKnown
  url: well-known/agentconnectors-dev-well-known.yml
- type: Hosts
  url: hosts/agentconnectors-dev-hosts.yml
- type: Vendors
  url: vendors/agentconnectors-dev-vendors.yml
- type: Security
  url: https://agentconnectors.dev/categories/security
- type: Newsroom
  url: https://agentconnectors.dev/categories/media
- type: DeveloperPortal
  url: https://agentconnectors.dev/categories/developer
- type: ChangeLog
  url: https://agentconnectors.dev/changelog
- type: DomainSecurity
  url: security/agentconnectors-dev-domain-security.yml
- type: Website
  url: https://agentconnectors.dev/
- type: Documentation
  url: https://agentconnectors.dev/about
- type: APIReference
  url: https://agentconnectors.dev/openapi.json
- type: Pricing
  url: https://agentconnectors.dev/pricing
- type: TermsOfService
  url: https://agentconnectors.dev/terms
- type: Contact
  url: https://agentconnectors.dev/contact
apis:
- name: Agent Connectors API
  description: Public directory API providing listings of MCP servers.
  humanURL: https://agentconnectors.dev/categories/reference
  baseURL: https://agentconnectors.dev
  aid: agentconnectors-dev:agent-connectors-api
x-enrichment:
  date: '2026-11-01'
  status: enriched
  artifacts_added: 16
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Agent Connectors API — frequently asked questions

Does Agent Connectors have an API?

Yes. APIs.io lists 1 API from Agent Connectors, including Agent Connectors API.

Is there an OpenAPI specification for the Agent Connectors API?

Yes. APIs.io indexes 1 OpenAPI specification for Agent Connectors, each linked for download from this page.

How much does the Agent Connectors API cost?

Agent Connectors publishes its prices; its Enriched listing plan is $29 one-time as of 2026-11-01. APIs.io lists 4 pricing plans for Agent Connectors, with each plan's price, limits and inclusions under Pricing on this page.

Is the Agent Connectors API ready for AI agents?

Agent Connectors has a Kin Score of 32.7 out of 100 (thin) and an Agent Readiness score of 20.3 (agent-aware), scored by API Evangelist on 2026-11-06.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

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