API Development MCP Servers

Email verification for AI agents: verify single or bulk emails, check credits and history.

MCP Server for Bling

Public webhook relay with signed observations, retries and verified receivers. Self-service.

DummyJSON MCP.

A managed runtime for custom API integrations. Manage lines, endpoints, keys, logs and DLQ via MCP.

Cloudflare Workers MCP server: form-backend

Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.

Public HTAG discovery for MCP tools, API endpoints, OpenAPI ops, and agents.

Meaning of HTTP 406.

Meaning of HTTP 501.

Meaning of HTTP 507.

APIs.guru MCP — keyless directory of 2,500+ public APIs and their OpenAPI specs. https://apis.guru

Aggregated live-data gateway exposing 5,000+ tools across 1,300+ verified public sources (business registries, government, market, news

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Discover, compare, and monitor 1,400+ APIs directly from your AI coding agent.

Convert REST API specifications (OpenAPI 3.x, Swagger 2.x, OpenAPI Actions) into MCP tools for AI agents. Supports JSON and YAML formats.

Inspect external HTTPS 429/503 retries with server-recorded attempts, Retry-After and arrival times.

Any API, four tools: discover, call with routing and signed receipts, verify, dispute.

Verified, pay-per-use API tools for AI agents through one authenticated connection.

MCP server for secureFlows (secure-flows.com). Alias of io.github.michal-lefler/secureflows-mcp.

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