MCP Server Directory

Code graph MCP: 81 languages, 88 frameworks, 72.7% fewer PR-review tokens, comprehension at parity

Free Sparkplug B topic linting, UNS naming checks and AI-readiness screening. No API key.

ProfitCollector ca.bakhour/profitcollector

22 pay-per-call developer, security, network and data utilities using x402 on Base.

BotKelp io.github.aiscimi-code/botkelp

Verified component catalog over remote MCP: agents pick ids and get a project that builds.

Token safety: honeypot sim, contract powers, rug checks, watch alerts, plain card, paper test.

Xrm/Power Platform/Dataverse MCP for devs, Azure CLI auth, Web API and multi-environment support

Reads your stylesheet and names the success criterion each rule breaks, including the three WCAG 2.2

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

Echo Memory io.github.ayushcodes10/echo-mem

Shared memory for AI agents, as a graph in your own Postgres. Writes never call an LLM.

Read and write one codebase ontology kept as Markdown in the repository.

Xxencode charset, input discarded io.github.sadri-dridi/xx-len

Xxencode charset, input discarded

encoded-word charset token, input discarded io.github.sadri-dridi/rfc2047-ok

encoded-word charset token, input discarded

MCP wrapping C2PA + watermarking as an EU Code of Practice on AI content marking (draft 2, June 2026

Kern io.github.esstipi-debug/kern

Read-only supply-chain decision support: forecasting, reorder policies, ABC-XYZ, data quality.

Unicode word count, text discarded io.github.sadri-dridi/word-n

Unicode word count, text discarded

TestWell Lab Tests com.test-well/testwell

Cash-pay lab tests: catalog search, all-in quotes by state, draw sites by ZIP, reviewed ranges.

A2AWire Benchmark: Predict the News com.a2awire/benchmark-predict-the-news

Free to compete: testnet faucet funds everything. Predict news outcomes. Get scored, get hired.

19 offline checks on the SPF, DMARC and DKIM records in your branch — including the DMARC rewrite of

Feldspar free repository security scan com.project-feldspar/scan

Free deterministic security scan of public git repos: OSV.dev vulnerable deps, secrets, config lint.

Peer Lookup Tools com.peerlookup/tools

Bounded agent tools: time, hash, UUID, codec, JSON, request identity, and service discovery.

Fast RuboCop-compatible Ruby linter with MCP inspect and autocorrect tools.

CustomerDashboard io.customerdashboard/customerdashboard

Build dashboards on your own data, including multi-customer views with per-customer login.

site uk.co.levtestingcost/site

LEV Testing Cost: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

Catch the Overpayment com.a2awire/benchmark-catch-the-overpayment-v1

Free to compete: testnet faucet funds everything. Audit an AP queue for overpayments.