Developer Tools MCP Servers

MCP server for C# code analysis and automated fixing using Roslyn analyzers and code fix providers.

Cleared Check before pay: lookup_merchant, cleared_check, route_gateway for x402 agents.

FastMCP server for scholarly papers, patents, books and standards with docling PDF conversion

MCP fork of Google Workspace CLI (Gmail, Drive, Calendar, and more)

Accountable autonomy MCP server: gating, tamper-evident audit for every action

Accountable autonomy proxy: gating, tamper-evident audit, time anchor for every action

Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search.

MCP server for retrieving Japanese stock market data via J-Quants API v2

Local QA MCP: scan URLs, inspect pages, generate Playwright repros, and run tests.

Send and read SMS through your own Android phone via textbee.dev, the open-source SMS gateway.

Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.

High-resolution GeoSphere Austria weather, storms and air quality. Austria and the Alps only.

Extract & download TikTok, Instagram, YouTube, Douyin media — HD, no watermark, MP3 export

MCP server for Pipedrive CRM. 155 tools for deals, persons, organizations, activities, and more.

Serves coding agents one canonical doc per query instead of rereading the repo — ~60% fewer tokens.

A semantic search engine for files and code.

Deterministic logical reasoning engine — facts in Euclid IR, solutions with proof trees

Chrome-free MCP web access for agents with low-token page maps and browser escalation hints.

MCP server for Microsoft Graph: Outlook mail and calendar, plus read-only Microsoft Teams

Search, quicklook and measure Umbra's open SAR archive from any MCP client.

Download any video from a URL, or get its transcript and key frames. All local, no API keys.

Secure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP.

Verify food-service facilities against supported regulator records.

Live Google + public LinkedIn data: search, maps, profiles, companies, jobs. Pay only for results.