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.

Postara PyPI
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postara-mcp

MCP server that exposes Postara mailboxes to Claude Desktop, Cursor, and Cline

API Development Score 98/100 0 findings Cap. Minimal
Rug Check PyPI
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rug-check-mcp

An MCP server that detects potential rug pull risks in Solana meme tokens.

API Development Score 98/100 0 findings Cap. Minimal
Sapient PyPI
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sapient-mcp

Intelligent SAP GUI automation for AI agents — MCP server powered by RoboSAPiens

API Development Score 98/100 0 findings Cap. Minimal
Tts Copilot Summary PyPI
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mcp-tts-copilot-summary

MCP server that reads existing Copilot summaries aloud via Windows SAPI with voice fallback.

API Development Score 98/100 0 findings Cap. Minimal
Q402 Source verified npm
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@quackai/q402-mcp

MCP server for Q402. Gasless USDC/USDT/RLUSD/Q payments on 12 EVM chains (USDG on Robinhood Chain), Q402 Yield (gasless supply and withdraw into Aave, Lista, and Morpho lending vaults), gasless non-custodial escrow (create, fund, release, refund, dispute)

API Development Score 97/100 1 finding 707/wk Cap. Moderate
Shipmail Source verified npm
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shipmail-mcp

Official Model Context Protocol (MCP) server for Shipmail, a business email provider with REST API, webhooks, and custom-domain inboxes for AI agents.

API Development Score 97/100 1 finding 305/wk Cap. Moderate
Phrase Source verified npm
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@phrase/phrase-mcp-server

MCP server for Phrase localization API

API Development Score 97/100 0 findings 291/wk Cap. Moderate
Sudomock Source verified npm
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@sudomock/mcp

SudoMock MCP server for Claude, Cursor, and VS Code. Generate photorealistic product mockups from Photoshop PSD templates.

API Development Score 97/100 1 finding 285/wk Cap. Moderate
Media Pipeline Mcp Deepgram Source verified npm
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@reaatech/media-pipeline-mcp-deepgram

Deepgram provider — Nova-2 speech-to-text transcription and speaker diarization

API Development Score 97/100 2 findings 275/wk Cap. Moderate
Talonic Source verified npm
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@talonic/mcp

Official Talonic MCP server. Lets AI agents extract structured, schema-validated data from any document via the Model Context Protocol.

API Development Score 97/100 0 findings 233/wk Cap. Moderate
Crustapi Source verified npm
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crustapi-mcp

MCP server for CrustAPI. Lets AI agents pull live Google data (Search, Maps, News, Shopping, Images, Videos, Reviews, Scholar, Patents, Autocomplete, web-page scrapes) and public LinkedIn data (profiles, companies, posts, jobs, people search). Pay only fo

API Development Score 97/100 1 finding 142/wk Cap. Moderate
Partner Center Source verified npm
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partner-center-mcp

Unofficial MCP server: knowledge and codegen assistant for the Partner Center REST API (not affiliated with Microsoft)

API Development Score 97/100 1 finding 133/wk Cap. Moderate
Anilist Source verified npm
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anilist-mcp

AniList MCP server for accessing AniList API data

API Development Score 97/100 1 finding 123/wk Cap. Moderate
Hookwarden Source verified npm
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@hookwarden/mcp

Model Context Protocol server for hookwarden — exposes the scan_handler tool so AI coding agents (Claude Code, Cursor, Continue, Anthropic Agent SDK) can find webhook signature-verification bugs locally across JavaScript, TypeScript, Python, PHP, and Go.

API Development Score 97/100 0 findings 118/wk Cap. Moderate
Clirank Source verified npm
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clirank-mcp-server

MCP server for API discovery and recommendations: help Claude Code, Codex, Cursor, Cline, and other coding agents choose APIs with current CLIRank data instead of stale model memory

API Development Score 97/100 0 findings 80/wk Cap. Moderate
Eset Protect Source verified npm
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eset-protect-mcp

Model Context Protocol (MCP) server for ESET PROTECT (On-Prem & Cloud) — manage devices, policies, detections, incidents, quarantine, and more via ESET REST API and ESET Connect

API Development Score 97/100 0 findings 73/wk Cap. Moderate
Recapfy Source verified npm
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recapfy-mcp

MCP server that exposes Recapfy's x402 endpoints (ask about a YouTube video, get its transcript) as tools. Each user runs it locally with their own Solana wallet and pays per call.

API Development Score 97/100 0 findings 50/wk Cap. Moderate
Fantasy Baseball Source verified npm
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fantasy-baseball-mcp

Yahoo Fantasy Baseball skills and mcp for Claude and Codex — automated lineup adjustments, Statcast analytics, and free-agent scouting

API Development Score 97/100 0 findings 43/wk Cap. Moderate
Chartobserver Source verified npm
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@chartobserver/mcp-server

MCP server for the ChartObserver paper-trading platform. Lets an AI agent (Claude Desktop, etc.) read portfolio state, place trades, and check the leaderboard on behalf of the configured user.

API Development Score 97/100 0 findings 24/wk Cap. Moderate
Fsolar Source verified npm
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fsolar-mcp

Felicity Solar battery MCP server + REST API — exposes live battery data to Claude Code and any MCP client

API Development Score 97/100 2 findings 22/wk Cap. Moderate
Http Webhook npm
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mcp-http-webhook

Production-ready MCP server framework with HTTP + webhook-based subscriptions

API Development Score 97/100 1 finding 20/wk Cap. Minimal
Slackxmcp Source verified npm
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slackxmcp

TypeScript stdio MCP server and CLI for Slack Socket Mode apps.

API Development Score 97/100 1 finding 20/wk Cap. Moderate
Placetel Web Api Source verified npm
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placetel-web-api-mcp-server

MCP server for the Placetel Web API v2 — full coverage of all 124 endpoints as tools

API Development Score 97/100 1 finding 18/wk Cap. Moderate
Polyphony Source verified npm
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polyphony-mcp

Reference MCP server for the Polyphony protocol — let any model participate in GitHub Discussions as an independent voice.

API Development Score 97/100 1 finding 14/wk Cap. Moderate