Developer Tools MCP Servers
Code, Git, APIs, SDKs, CI/CD, developer workflows, and local developer tooling.
Trunk Flaky Tests
io.trunk
Flaky test detection, root cause analysis, and fix suggestions for development teams.
TheQRCode.io
io.theqrcode
Free styled QR codes, no key: URL, WiFi, contact, text, email. API key adds saved codes + analytics.
MCP stdio ShellGuard
io.studiomeyer
Defense-in-depth for MCP stdio servers: shell-injection guard, AST audit CLI, RCE blocking.
MCP Protocol Conformance
io.studiomeyer
MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.
MCP Hook Conformance
io.studiomeyer
Audits MCP servers for Claude Code mcp_tool hook readiness: idempotency, latency, side-effects.
StudioMeyer GEO
io.studiomeyer
AI visibility across 8 LLM platforms. 30 tools, most need no API key. EU-hosted, free.
StudioMeyer Crew
io.studiomeyer
Agent personas for Claude. 16 tools, 13 personas, 3 workflows. Zero extra API cost. Free.
Standout
io.standoutmcp
Anti-slop design taste for AI coding agents: art directions, section code, 0-100 page critic.
SQLGuard — permission before production writes
io.sqlguard
AI agents need permission before production SQL writes. Pilot $100 · Gateway $299. Lint≠authorize.
Mcp
io.speedvault
Run web performance audits, get code-level fixes, crawl for SEO, and read real-user Core Web Vitals.
Snowsignals
io.snowsignals
Market-phase classifications over a metered API — phase events per currency and timeframe.
Sling Cli
io.slingdata
Sling CLI MCP server for querying any database, running data pipelines and managing replications
Shotstack
io.shotstack
Generate, edit, and render videos via the Shotstack video editing API.
Shipbook
io.shipbook
Debug production issues using Shipbook logs and Loglytics error insights.
Serpjet Mcp
io.serpjet
Google SERP API for AI agents. 10 result types incl. shopping. 1,000 free searches/month.
Mcp
io.scorecard
MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.
DataForSEO MCP
io.scalably
DataForSEO MCP wrapper: searchable API docs plus normalized calls to the official server. 4 tools.
SatoshiAPI — Bitcoin Intelligence via Lightning
io.satoshiapi
Bitcoin intelligence API. Pay per call via L402 Lightning (10-200 sats). No accounts needed.
RDAP API
io.rdapapi
Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.
Qt Documentation
io.qt.qt-docs-mcp
Search Qt 6 API and product docs (Qt Core, Qt Quick, Qt Creator, Boot to Qt, MCUs).
Philidor DeFi Vault Risk Analytics
io.philidor
Search 700+ DeFi vaults, compare risk scores, analyze protocols. No API key needed.
Pathrule
io.pathrule
Path-scoped team memories, rules and skills for Claude Code, Cursor, Codex and other MCP clients.
Oxylabs Mcp
io.oxylabs
Fetch and process content from specified URLs & sources using the Oxylabs Web Scraper API.
OneSource MCP
io.onesource
Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs