MCP Server Directory

Verified statistical inference for AI agents: hypothesis tests, sequential testing, power.

Persistent, evidence-backed code graph for coding agents.

Catch racist, sexist & ableist defaults in AI and human copy. Local rules, no account.

Overskill com.overskill/mcp

Build and publish Overskill apps from Cursor, Claude, ChatGPT, or any MCP client.

Papers With Backtest com.paperswithbacktest/papers-with-backtest

Search 5,000+ trading papers with verified backtests, strategies, datasets, and courses.

email-extractor io.github.ryuamarines/email-extractor

Extracts emails from texts. x402 payment required (testnet USDC).

A chaos-engineering and resilience-testing toolkit for Model Context Protocol servers.

Records your Claude Code, Codex and Pi history before deletion. Cited-or-abstain recall.

Full-lifecycle bridge structural analysis — modeling, staging, code checks.

Read Woodpecker CI repositories, pipelines and logs, and drive builds, secrets and crons

Operations Schedule Builder io.github.Wxt-ai/operations-schedule-builder

Build an operations task schedule

Receive one-time SMS/OTP verification codes via the CODASMS API: get a number, wait, release.

stierproducts tier lists com.stierproducts/tier-lists

S-to-F tier lists for 208 product categories. Every placement cited, with barcodes.

MinuteMail io.github.minutemailco/mcp-server

Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools

Compiler Explorer io.github.compiler-explorer/compiler-explorer

Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links

Discord io.github.mcp-dir/discord-mcp

Connect a Discord bot (bot token from the developer portal) to read/send messages, list guilds and c

Search, build and manage Inflectiv datasets and AI agents, plus ChainAware on-chain intelligence.

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

Query Obyte mainnet and testnet: balances, units, autonomous agents, AA state, dry runs, tokens.

codev io.github.flxbl-io/codev

Connect AI agents to codev for Salesforce projects, builds, releases, validations, and insights.

Deterministic PC no-boot/no-POST diagnostics: real beep-code tables, no LLM guessing.

MarketHeist Backtest io.marketheist/backtest

Backtest strategies and analyze portfolios on any ticker: CAGR, drawdown, Sharpe, from real data.

For Zapier integration developers: inspect, lint, and validate zapier-platform-cli projects.

CarsMultiverse — the recall record com.carsmultiverse/recall-record

Vehicle safety recalls from four registers, matched across borders on the maker's own code.