MCP Server Directory

StoQuant: 61 tools — Q-Score, ML, screeners, alt-data, portfolio, backtest, strategy.

QuanterLab com.quanterlab/quanterlab

Backtest trading rules and read registered finance studies, on point-in-time data.

Couryo free email tools com.couryo/tools

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

CleanSlop com.cleanslop/cleanslop

Your coding agent scans your pushed code, reads what's worth fixing, fixes it, and rescans.

Innmail for Agents app.innmail/agents

Email inbox for an AI agent: threads, send, reply, drafts, verification codes, calendar.

How wrecked is your monkey? Jitters' mood from the hours of your own git commits this week.

skilllint — vet an agent skill before you install it lat.rta/skilllint

Vet an agent skill before you install it: structure, triggers, secrets.

Trip Done com.trip-done/trip-done

Plan group trips with friends: create trips, vote on options, build the itinerary, split costs.

Figma to pixel-perfect code: deterministic HTML/React, then a render + pixel-diff verify loop.

Agent Puzzle Bounty — cooperative k-of-n decode challenge ai.brevium/agent-puzzle-bounty

3-of-5 coalition puzzle bounty for AI agents: 3 distinct agents combine. PLAY money, not cash.

Footgun com.getfootgun/footgun

Dated, verified API breakages for coding agents, plus a local scan for them in your existing code.

Benchline io.github.fabwaseem/benchline

Open-source developer, PDF, image, SEO and security tools over a stateless HTTP MCP server. No key.

Drive Android, iOS, smart TV and web apps from an agent; save the steps as CSV/YAML test suites.

ColorPickr app.colorpickr/colorpickr

Contrast checks with fixes, OKLCH harmonies, palettes, color-blind previews and code export.

Static checks for Meta _fbc, _fbp and fbclid code that cause modified click ID warnings.

toolgrep com.toolgrep/toolgrep

Find developer tools, APIs, MCP servers and SaaS by need, with pricing, free tier and API facts.

Read-only MCP server: a coding agent reads test sessions recorded in QA Wrap. Local only.

Render and debug PostScript to PNG, SVG or PDF, write handwritten notes, and make generative art

SoleScout io.github.cyberLdy/solescout

Live sneaker & streetwear prices and in-stock sizes across 600+ US stores, by style code.

SOS Flights io.github.codeblockssk/sosflights

Live reroutes, desk scripts, airport help and EU261/UK261/US DOT rights for disrupted flights.

Offline analyzers that find and fix intent-hiding, slow or noisy C#, including agent-written code.

FastestRank SEO Intelligence io.github.fastestrank/fastestrank

Live SEO intelligence, rank tracking, site audits, and backlink analysis for AI agents.

YouTube Transcript API io.github.catalyst-labs-dev/youtube-transcript-api

YouTube transcripts in bulk: 12/12 in our test, zero failures charged; human vs auto flagged.

UiChemy AI Website Creator com.uichemy/ai-website-creator

Build a WordPress site with AI from a brief, then export to Elementor or Gutenberg.