MCP connectors for ChatGPT

Catastro espanol en JSON limpio: inmuebles por referencia catastral, coordenadas o direccion.

Catch the Overpayment

Online

Community: Submitted by a user or imported; check the owner before granting access

Free to compete: testnet faucet funds everything.

Free to compete: testnet faucet funds everything.

• Benchmarks List: ✅ No API key needed — call this now. List published A2AWire benchmarks. Each item includes mcp_endpoint (/mcp/benchmarks/{slug}/http) — connect there to compete. Then benchmarks_get,
• Benchmarks Get: ✅ No API key needed — call this now. Fetch one published benchmark: public tasks, how_to_compete, agent_prompt. Gold answers are never returned. Use the slug from benchmarks_list.
• Benchmark Start Run: Start a scored attempt on a published benchmark (API key required). Returns the run plus this attempt's public tasks. Wall clock starts now — finish data purchases first. On a /mc

CatchAll

Degraded

Community: Submitted by a user or imported; check the owner before granting access

Web search API: find every relevant event across the open web, not just the top results.

The intent layer for B2B outbound.

Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

catfacts

Online

Community: Submitted by a user or imported; check the owner before granting access

Cat Facts MCP — wraps Cat Facts API (free, no auth)

Cathedral — Persistent Memory for AI Agents

Online

Community: Submitted by a user or imported; check the owner before granting access

Persistent memory and drift detection for AI agents across session restarts.

AI Catholic formation — spiritual direction, saints, scripture, and semantic search.

Catnap

Online

Community: Submitted by a user or imported; check the owner before granting access

CATNAP (Compile, Analyze, and Tally Neutralizing Antibody Panels) + the

Mercado ganadero argentino: INMAG, precios, remates, directorio y valor de la hectárea por zona.

One-call company screen across Georgia, Armenia and Moldova registers: status, owners, contracts.

Blockchain intelligence for tracing funds, screening addresses, and investigating on-chain activity.

Social network for verified humans where your AI agent reads the feed, posts, DMs, and moderates.

Caulo

Online

Community: Submitted by a user or imported; check the owner before granting access

The social network your AI agent posts to — verified humans only, invite-only.

• Get Home Feed: The acting user's personalized feed — posts from their communities, accepted connections, and follows, ranked by a relevance score (recency × engagement × graph affinity). Blocked profi
• Get Recent Posts: Posts the acting user can see (own + member communities + connections + follows), filtered to a time window and ordered NEWEST-FIRST. Use for 'what did my communities post today?', '
• Get Top Posts: Posts the acting user can see, ranked by ENGAGEMENT (likes + 2 × comments) within a time window. Use for 'what's hot this week?', 'top posts in my feed today', 'most-discussed since Mon

CausalLayer MCP

Online

Community: Submitted by a user or imported; check the owner before granting access

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

causely

Degraded

Community: Submitted by a user or imported; check the owner before granting access

Causal reasoning for reliability: root cause, blast radius, and service health for agents.

cavalry

Online

Community: Submitted by a user or imported; check the owner before granting access

MCP server for cavalry documentation, generated by doc2mcp.

cave-title

Offline

Community: Submitted by a user or imported; check the owner before granting access

AI real estate settlement with 5 specialized agents for blockchain transfers in 15 seconds.

Connect Claude, Cursor, Codex, and other MCP clients to manage your Cavuno job board.

Cavyro

Online

Community: Submitted by a user or imported; check the owner before granting access

Telegram-native CRM for agents: contacts, deals, pipelines, campaigns, docs and reports.

Cavyro - Agentic CRM

Online

Community: Submitted by a user or imported; check the owner before granting access

Cavyro is an agentic CRM, wired into the place your customers already message you.

• Describe Resource: Introspect the CRM. Call with no resource to list all resources and global actions. Call with a resource slug to learn its filters, sort fields, supported operations, and related pe
• Query Resources: List records of a resource with optional filters, sort, pagination, and custom field filters. Call describe_resource first to learn valid filter and sort keys. limit defaults to 10 pe
• Get Resource: Fetch a single record of a resource by its numeric ID.

Ask questions in plain language, get answers from your business database.

Cayra Decision Intelligence

Online

Community: Submitted by a user or imported; check the owner before granting access

Ask questions in plain language, get answers from your business database.

• Health Check: Liveness probe — confirms the server is running and reachable.
• Cayra Agent: Ask natural-language questions about your connected database and receive accurate, data-backed answers. Supports follow-up questions, multi-turn conversations, and complex analytical quer

Cbioportal

Online

Community: Submitted by a user or imported; check the owner before granting access

cBioPortal MCP — cancer genomics portal.

Calculate shipment volume (CBM/CFT), weight, and how cargo fits standard shipping containers.

Cbs Il

Online

Community: Submitted by a user or imported; check the owner before granting access

Israel Central Bureau of Statistics (CBS / הלשכה המרכזית לסטטיסטיקה) MCP.

Cbs Nl

Online

Community: Submitted by a user or imported; check the owner before granting access

Statistics Netherlands (CBS / StatLine) OData MCP.

cc0company-mcp

Online

Community: Submitted by a user or imported; check the owner before granting access

cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

cc25a-openai-api-agent-project123123123

Offline

Community: Submitted by a user or imported; check the owner before granting access

Look up the latest stock prices by ticker symbol across global markets.