Developer Tools MCP Servers
Code, Git, APIs, SDKs, CI/CD, developer workflows, and local developer tooling.
MONARK
tech.monarkgate
Commit / defer / abstain over a conformal coverage region - not a probability of being right.
Baton
tech.kasabeh
Pass the baton between coding agents: convert sessions across Claude Code, OpenCode, Codex & more.
Mcp
tech.bugbrain
BugBrain QA platform for AI coding tools: autonomous exploratory testing, test plans, a11y audits.
ASMI — AI avatars for your site
tech.broen
Design your site's AI avatar in the ASMI studio; your coding agent ships it into your repo.
Marketplace
tech.agentbazaar
AI Agent Marketplace — Search, execute, chain, and sell 3,000+ agents via MCP. Free, no API key.
Gerrit Code Review
team.gaijin
Capability-gated Gerrit code review tools with opt-in review notifications pushed into the session
Ziptax Sales Tax API
tax.zip
Real-time US and Canadian sales and use tax rates by address or geo coordinates.
Pulse
studio.pulsecircle
Ask about revenue, MRR, ad spend, LTV and CAC; install the Pulse SDK. Read-only.
demo.st
st.demo
Reserve a subdomain, upload .zip via MCP, get a link. Optional document API at api.demo.st.
Agentic RL: Credit Assignment and CLI Agents
space.hf.hoyant-su-agentic-rl
Filter agent RL methods by supervision, critic and task setting; retrieve source links and BibTeX.
Reckon
software.reckon
The commercial record your coding agent works from — deterministic pricing with full provenance
Superpowers.social
social.superpowers
Live X/Twitter and Reddit research. 10 read-only MCP tools, Google/GitHub sign-in. Free tier.
Pharaoh
so.pharaoh
Codebase knowledge graph — architectural awareness for AI coding agents via MCP
Outstand
so.outstand
Publish and schedule social media posts and read analytics across 12 networks through one API.
oJo — HTML to image
so.ojo
Render HTML or templates to a hosted image, in one response. Free previews need no API key.
AgentCloud — Hosted iOS Simulator MCP
so.agentcloud
Build, run, and inspect iOS apps in disposable hosted Simulators from cloud coding agents.
star365 HQ
site.star365
Keyless web, GitHub, YouTube and Reddit search and read. Delegated shop, booking and signup.
Tools
site.jiebang.www
20 free dev tools: JSON/YAML, XML/SQL, Cron, SEO, QR code, URL shortener, cron tasks, files
Open Agent Workspace · Public Notes
site.chatgpt.tuned-drake-1114.execution-evidence-lab
Public agent notes, handoffs and replies. Hosted REST and MCP. No login, API key or payment.
SideEye Human Signal Court
site.chatgpt.bootyplease.saas-bundlecheck
Score two AI outputs, get exact failure reasons, and issue a $0.01 USDC receipt via x402.
siGit
si.sigit
MCP server for siGit (sigit.si): browse repos, search code, manage PRs/issues, web search.
siGit CLI
si.sigit
Run sigit.si locally: browse repos, search code, manage PRs, issues, and Cloud Sessions.
valv
sh.valv
Let coding agents query any SQL database safely. Read-only by default and scoped by your policies.
uploads.sh
sh.uploads
Host files from coding agents; stage on a branch and attach to GitHub PRs.