MCP Server Directory

Delegate a self-contained task to opencode's free-tier models as a one-shot subagent.

ProfitCollector ca.bakhour/profitcollector

22 pay-per-call developer, security, network and data utilities using x402 on Base.

Boonful Studio io.boonful/studio

Publish and sell what you build with Claude: apps, ebooks and courses, with checkout and a feed.

Let one coding-agent CLI consult another: Codex, Claude Code, OpenCode, Copilot or Antigravity.

MCP Server Discovery — new model-context-protocol repos ($0.01/query) com.a2awire/data-model-context-protocol-mcp-server-discovery

New MCP servers on GitHub: discovery index. $0.01/query. Register in-session — free testnet funds.

ABC complexity gate for AI-written code with an MCP inspection tool.

Permits Engine — Agent Market io.github.USTechAutomations/usta-agent-market-mcp

Free MCP tools: permit quotes, jurisdiction index, track record, attestation.

Hand a released SkeletIQ architecture to a coding agent: brief, build order, drift check.

US state MD io.github.sadri-dridi/st-md

USPS state code MD.

Hex encode, input discarded io.github.sadri-dridi/hex-ok

Hex encode, input discarded

HTTP Status io.github.sadri-dridi/http-status

Short catalog of common HTTP status codes.

Ironfang com.ironfang/ironfang

Render pages to images and PDFs, audit websites, explain Peppol rules, run integration test rigs.

MCP server that builds and validates LC-MS worklists for MassLynx, SCIEX OS, MassHunter, Xcalibur.

mcp us.recalert/mcp

Search U.S. product recalls (CPSC, FDA, NHTSA, FSIS) by product, brand, model, or UPC code.

Reads .mcp.json / .vscode/mcp.json / claude_desktop_config.json while you edit it and marks the line

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

Catch the Overpayment com.a2awire/benchmark-catch-the-overpayment-v1

Free to compete: testnet faucet funds everything. Audit an AP queue for overpayments.

Read and write one codebase ontology kept as Markdown in the repository.

NASA Image of the Day — space & astronomy photos (nasaiotd) com.a2awire/data-nasa-photo-space-image-astronomy

NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.

Inventory Ledger Reconciliation com.a2awire/benchmark-inventory-ledger-reconciliation-v1

Free to compete: testnet faucet funds everything. Rebuild true stock from messy ledgers.

US state NE io.github.sadri-dridi/st-ne

USPS state code NE.

Attestroom: the monthly searches, read from search (a month), served as an agent-callable...

Gameshop Enter — retro Nintendo & Pokémon TCG (EU) com.gameshopenter/shop

Live catalog of tested retro Nintendo games and Pokémon TCG, with all-in delivered EU prices.

ISO country CI io.github.sadri-dridi/cc-ci

Public ISO 3166-1 record for CI.