API Development MCP Servers

MCP servers for designing, testing and calling APIs — REST, GraphQL, OpenAPI, webhooks and gateways. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.

Swagger Client npm
A
mcp-swagger-client

MCP server for Swagger/OpenAPI documentation access with smart caching and powerful search

API Development Score 96/100 1 finding 12/wk Cap. Moderate
Clawdoe npm
A
clawdoe

Payments infrastructure for the agentic economy. SDK, CLI, and MCP server for AI agents on Base and x402.

API Development Score 96/100 0 findings 11/wk Cap. Moderate
Sitemapkit npm
A
sitemapkit-mcp

MCP server for SitemapKit — discover and extract sitemaps from any domain

API Development Score 96/100 1 finding 11/wk Cap. Moderate
Teamcamp npm
A
teamcamp-mcp-server

MCP server for Teamcamp API - manage projects, tasks, users, and more via any MCP client

API Development Score 96/100 1 finding 11/wk Cap. Moderate
Agentbucket npm
A
agentbucket

MCP server for Bucket0 AgentBucket — give your AI agent a persistent, encrypted file system it can save to and recall by meaning.

API Development Score 96/100 7 findings 10/wk Cap. Moderate
Seethis npm
A
seethis-mcp

MCP server for Seethis! — Publish and retrieve end-to-end encrypted HTML/Markdown visualizations as shareable URLs

API Development Score 96/100 0 findings 10/wk Cap. Moderate
Veyo npm
A
veyo-mcp

FastMCP Server wrapper for Veyo MCP - MCP-compatible interface to the Veyo MCP REST API

API Development Score 96/100 2 findings 9/wk Cap. Moderate
Airflow PyPI
A
airflow-mcp-server

MCP Server for Airflow

API Development Score 96/100 0 findings Cap. Moderate
Backlinks PyPI
A
backlinks-mcp

A MCP service for retrieving backlink information for any domain using Ahrefs' data

API Development Score 96/100 1 finding Cap. Moderate
Commune PyPI
A
commune-mcp

MCP server for Commune – email infrastructure for agents. Set up an inbox and send your first email in 30 seconds. Programmatic inboxes, consistent threads, custom domains, attachments, and structured data.

API Development Score 96/100 1 finding Cap. Moderate
Google Ads PyPI
A
mcp-google-ads

Google Ads API integration for Model Context Protocol (MCP) with full campaign management capabilities

API Development Score 96/100 0 findings Cap. Moderate
Google Gmail PyPI
A
mcp-google-gmail

MCP server for Gmail API — list, read, send, draft, label, and trash emails

API Development Score 96/100 0 findings Cap. Moderate
Linkwarden PyPI
A
linkwarden-mcp

MCP server for Linkwarden bookmarks: read-first search and preserved content, with opt-in write, delete, and collection-delete tools.

API Development Score 96/100 1 finding Cap. Moderate
M365 2 implementations
A
best: m365-mcp

Microsoft 365 MCP server for Outlook, Calendar, and OneDrive with multi-account support

API Development Best score 96/100 1 finding Cap. Moderate
Openapi Slice PyPI
A
openapi-slice-mcp

MCP server that extracts relevant portions of OpenAPI specs for specific endpoints, reducing context size when working with large API specifications

API Development Score 96/100 0 findings Cap. Moderate
Opnsense PyPI
A
opnsense-mcp-server

Secure MCP server for OPNsense firewall management via AI assistants

API Development Score 96/100 0 findings Cap. Moderate
Qrz PyPI
A
qrz-mcp

MCP server for QRZ.com — callsign lookup, DXCC resolution, logbook queries

API Development Score 96/100 0 findings Cap. Moderate
Scrapegraph PyPI
A
scrapegraph-mcp

MCP server for ScapeGraph API integration

API Development Score 96/100 0 findings Cap. Moderate
Sendook PyPI
A
sendook-mcp

MCP Server for Sendook - AI Email Communication Platform

API Development Score 96/100 0 findings Cap. Moderate
Sentinel Signal PyPI
A
sentinel-signal-mcp

Hosted and local MCP tools for healthcare claims workflow scoring, usage, limits, and feedback

API Development Score 96/100 0 findings Cap. Moderate
Statcan PyPI
A
statcan-mcp-server

MCP Server for interacting with Statistics Canada Web Data Services API

API Development Score 96/100 0 findings Cap. Moderate
Tree Sitter PyPI
A
mcp-server-tree-sitter

MCP Server for Tree-sitter code analysis

API Development Score 96/100 3 findings Cap. Moderate
Wechat PyPI
A
wechat-mcp-server

WeChat MCP server for reading and replying to messages via macOS Accessibility APIs

API Development Score 96/100 0 findings Cap. Moderate
The Dump npm
A
the-dump-mcp

MCP server for saving LLM conversations to The Dump and reading your notes back as context

API Development Score 95/100 1 finding 177/wk Cap. Moderate