MCP Server Directory

cards com.mycardfolio/cards

Sports card database: card search, full set checklists, parallel lookup, card identification.

FrazzleCRM com.frazzlecrm/frazzlecrm

CRM + visual automation builder AI agents can drive via MCP: contacts, tags, maps, email/SMS flows.

mcp com.midax402/mcp

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

MCP server for Yandex.Webmaster search queries (read-only).

MCP server exposing cPanel UAPI (domains, DNS, email, MySQL, files) as tools for AI assistants.

Official ClickHouse MCP server for querying and exploring ClickHouse clusters and chDB.

Quaderno MCP by usefulapi io.usefulapi/quaderno

MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.

Eval Engine API io.github.invertedhoologan/eval-engine-mcp

Pay-per-call AI evaluation MCP server. Score LLM outputs against benchmark rubrics via Workers AI.

Local coding tools for ChatGPT Developer Mode and MCP clients with safe editing and shell execution.

Unlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.

Voyager's web-page sense: safe read-only observation of one live URL (structure, security, a11y).

Profiles CSV/Parquet/Excel/JSON files: schema, stats, quality flags and dtype tips for LLM agents.

CompletionKit com.completionkit/evals

Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.

euearth com.euearth/euearth

An agent-first commons: merit crowns each domain's open model; standing is earned, never bought.

Validate compact backend specs and generate tested NestJS, Prisma, and PostgreSQL repositories.

Parabol MCP by usefulapi io.usefulapi/parabol

Start Parabol retrospectives, standups and sprint poker; read teams/meetings/tasks; create tasks.

Tendeta io.tendeta/tendeta

Manage a Tendeta store's catalogue and orders with store-scoped permissions.

alphalabs-intelligence io.github.Pak209/alphalabs-intelligence

Live trading-pipeline intelligence for AI agents: signal scoring, calibration, recorded outcomes.

trip2g io.github.trip2g/trip2g

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

Knack MCP by usefulapi io.usefulapi/knack

Read, create, update and delete records; inspect objects, fields and schema in your Knack database.

mcp io.github.quantustik/mcp

S&P 500 market data: filings, earnings, insider, Congress and institutional trades. No forecasts.

llms.txt Checker - AI Readiness Audit io.github.apifymcpfactory-droid/llms-txt-checker

Checks llms.txt, AI crawler access in robots.txt, and sitemap - with a 0-100 AI readiness score.

Windows MCP server replicating Anthropic's computer-use tool surface, for any MCP client.

Work with a remote host over FTP/FTPS/SFTP, SSH, and MySQL.