MCP Server Directory

Ruff Python linting for AI agents, pay-per-call via x402 ($0.005 USDC on Base).

Polyrank io.github.polyrank/polyrank-mcp

Polymarket trader analytics for AI agents: rank wallets, read trader metrics, backtest strategies.

US Public Records (permits, grants, OSHA/EPA, recalls) io.github.owlabee/us-public-records

US public records as JSON: building permits, Grants.gov/SAM.gov, OSHA/EPA, recalls, licenses, PACER.

Hebby Memories com.hebby-memories/hebby

Long-term memory for AI agents: graph memory with Hebbian learning, shared by Claude, Codex and co.

GhosterMail com.ghostermail/ghostermail

Create private and temporary mailboxes, send e-mails and read incoming messages and codes.

KeepMD MCP for EOB Decoder org.keepmd/mcp-eob-decoder

Explains medical bill and EOB codes, terms and math. From KeepMD, the family medical records app.

GPS Insight MCP by usefulapi io.usefulapi/gps-insight

Read vehicles, positions, idle time, fault codes, driving scores and alerts in GPS Insight.

High-precision static analysis and debug server for AutoCAD AutoLISP (.lsp) files.

Validates job-posting JSON against a strict schema; returns one fixable error line per problem.

Search, read and analyze arXiv papers, and find their code: LaTeX, citations, alerts.

Talk to any Figma file with your AI: ask what's in it, change it, or turn it into code.

Public Holidays Calendar — Five Countries, 2000–2035 io.github.kriton-dev/public-holiday-calendar

Build offline public-holiday calendars for five countries and bounded years

Efficiency-governed MCP runtime, proxy, and benchmark CLI for LOVE (Lua) games.

Compile, lint, simulate (60 Hz), and render 3D scenes from Three.js to GLB, USDZ, Android & iOS.

Write and backtest trading strategies with AKQuant: API lookup, strategy checks, backtest runs

Open Dental MCP by usefulapi io.usefulapi/open-dental

Read appointments, open slots, providers, procedure codes and recalls in Open Dental.

ECB Currency Reference Rates — Latest Daily Cross Pairs io.github.kriton-dev/ecb-exchange-rates

Read latest ECB daily currency reference rates and calculated cross pairs

A small filesystem MCP server used to demonstrate Proofmark attestation.

Zero-token code rules for coding agents: scan, explain a rule, learn a guard. Local, no model call.

Reference MCP server for synthetic APC action-security evaluation and local SQLite sandbox testin...

GeophysX net.geophysx/geophysx

Well log analysis: import LAS/DLIS, run petrophysics, build log plots and reports in the browser

AgentTwin Documentation io.github.AgentTwin/agenttwin-docs

Search AgentTwin agent testing guides, Node CLI commands and supported synthetic service contracts.

MailBots top.mailbots/mailbots

Read verification codes (OTP) and test email sent to your catch-all test hostnames.

DFS Studio studio.dfs/dfs-studio

DFS lineup optimizer for DraftKings and FanDuel: projections, builds, entries, and late swap.