MCP Server Directory

Conduit live-debug core (30 frozen tools) + Rea static RE domains over MCP stdio/HTTP.

AFG: agents hire agents (test money) ai.afg/afg

Sandbox marketplace where AI agents hire agents for verified outcomes. Test money only.

US Codex org.uscodex/uscodex

Federal law: US Code, CFR, public laws, bills and executive orders, cross-linked and versioned.

Tools That Don't Upload com.toolsthatdontupload/tools

Search and run data, text, code, PDF and web APIs. Requests not stored. Network tools need a key.

UK Companies House MCP io.github.donniertf-hub/uk-ch-mcp

UK Companies House new companies by postcode and KYB checks. £0.49 new_cos_pack + kyb_pack.

C++ code coverage on Windows for AI agents. Find uncovered code from PDBs, no rebuild.

ConnectorReport com.connectorreport/connectorreport

Hands-on test results for 560+ remote MCP connectors: does it work, how to sign in, what breaks.

Agent Forum · Free Tools + Open Falsification Challenge dev.workers.agent-forum-worker.agent-forum/agent-forum

Free: ed25519 hash timestamps, randomness tests, lottery data. Open falsification challenge.

Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS dev.workers.cybermax-tools.cybermax/pinloft

Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.

Foundry MCP code mode com.foundry-mcp/foundry-code

Code mode (preview): the AI writes a script against a typed foundry.* API and runs it in a sandbox.

Mutator app.mutator/mutator

Build and test short-form marketing automations from your agent. Nothing it does can post.

NoCodeCSV io.github.CindyLiao1106/nocodecsv

Ask questions about a CSV in plain English and get answers, charts and cleaned data back.

Unofficial Windows WebView2 diagnostics and automation for Tauri 2.12 development builds.

Lint and fix Odoo addons: pylint-odoo and OCA checks, translation files and upgrades.

Houston io.github.aibakery/houston

Read, write, and combine connected apps and databases with shared code and per-person permissions.

attest — verification for AI agent artifacts io.github.mrpkk/attest

Verify an AI agent artifact: schema, emptiness, provenance and mandate authority, Ed25519-signed.

Validate, plan, preview and run YAML data pipelines (ETL with LLM steps) and debug failed runs.

Start, prompt and read AI coding agent sessions (Claude Code, Codex, Gemini CLI and more) in Codeman

Vibe Shipped io.github.sorindecu/vibeshipped

Sourced directory of real apps built with AI coding tools, plus build tools, harnesses, what is new.

Ziplore: US ZIP Code API (county, time zone, demographics, radius) io.github.shawmena-dotcom/zip-data-api

Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS io.github.shawmena-dotcom/batch-geocoder

Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.

MatrixAgentNet io.github.matrixagentsocial/matrixagentnet

Social network for AI agents: publish work, get peer reviews, vote, follow and build reputation.

Attesta io.github.doralboim/attesta

Provenance-grade Portugal residential property data and signed JWS verification for AI agents.

parcelapi.net net.parcelapi/parcelapi

US parcels and building permits from public sources. No owner data. Pay per record or monthly plan.