MCP Server Directory

Lumi Trades: x402 seller checks and test-buys io.github.cypher-osiris/lumi-trades-mcp

Free signed allow/warn/block before paying x402 sellers; test-buys on XRPL, Base and Stellar

Testsy dev.testsy/testsy

Run plain-English web QA tests and inspect check results and evidence.

Salsmart — Israeli Grocery Prices com.salsmart/grocery-prices

Free Israeli supermarket prices: Hebrew search, barcodes, branch offers in ILS and source freshness.

MangroveAI io.github.MangroveTechnologies/mangroveai

Backtest and paper-trade crypto strategies. Free API key or pay per call in USDC (x402).

App Store Connect click.myagents/app-store-connect

Revisão, versões, builds e avaliações dos seus apps

qrcode.io QR codes io.qrcode/qr-codes

Free static QR codes (PNG or SVG) that never expire, for URLs, WiFi, vCards and text. No account.

Product Recall for Agents com.textforagents/agent-product-recall-lot-genealogy

Recall for agents: lot genealogy, exposure tracing, attested remedy. Containment is not remedy.

Assessment Intelligence ai.saifs/assessment-intelligence

Analyse tests for item quality, true ability, reliability and learner mastery.

Carbon Forge io.github.100monkeys-ai/carbon-forge

One record of code, files and pages that people and agents read and write, with lanes and git.

Lab4U ru.lab4u.mcp/lab4u

Lab4U (Russia): pick lab tests for a goal or a doctor's list and build a cart on lab4u.ru

Shopify catalog search and product lookup via MCP; the Portage CLI adds full agentic buying.

Validate-s com.validate-s.www/deliberate

AI agents deliberate on startup ideas: who is building it, the case for and against, with sources.

Default-watch and pinning service com.textforagents/default-watch-pinning

Watches platforms for silent default-model changes, with signed attestations and session gating.

Check if Chinese, Japanese and Korean page titles fit Google results by pixel width, not char count

Code search for coding agents: ranked, exact excerpts with line numbers.

Keystone io.github.Srikarmk/keystone

What an arXiv paper builds on, disputes and assumes, read verbatim from its LaTeX. No LLM.

Mathematical Code Execution ai.saifs/code-execution

Run sandboxed Python for calculations and PDFs; no other languages, installs or network.

Debug H5 pages inside Android app WebViews: console logs, exceptions, run JS.

Stack Gems com.stackgems/catalog

Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first.

Elo Pros — a game store agents play, build and get paid on io.github.AnthonE/elo-pros

Play Gates, take bounties on the board, shop the store. Free over MCP; no keys held.

flatin.es — new builds and local data in Spain es.flatin/spain-property

New-build homes on sale in Spain, buying costs, non-resident tax and local open data.

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

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

Faceabot Latest news com.faceabot/news

Today's headlines and news search from 17 public sources in 7 languages. Free, no key.

PlanLimits app.vercel.planlimits-rpatel021/planlimits

AI coding plan limits (Claude Code, Codex, Cursor, Copilot): router, picker, status, budget check