MCP Server Directory

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.

ProfitCollector ca.bakhour/profitcollector

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

ABC complexity gate for AI-written code with an MCP inspection tool.

Inventory Ledger Reconciliation com.a2awire/benchmark-inventory-ledger-reconciliation-v1

Free to compete: testnet faucet funds everything. Rebuild true stock from messy ledgers.

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.

Local multi-repo code graph over MCP. Blast radius, call graphs, and memory anchored to code.

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

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

site uk.co.sarbuilder/site

SAR Builder: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...

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.

site com.attestvio/site

Attestvio: the site's own MCP server — dataset; every answer cites the site.

Exploit-DB New Exploits & Proof-of-Concepts — buy per-query in-session (exploitdb) com.a2awire/data-exploit-db-exploit-database-proof-of-concept

Exploit-DB: new public exploits & PoCs, daily. Register in-session — free testnet funds.

site com.bankcodelookup/site

Bank Code Lookup: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

UI Verify io.github.igrlk/uiverify

MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.

Augenix ai.augenix/build

Free preview websites for local trades, then Stripe Checkout for $29/mo hosting.

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

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

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

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

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

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

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

Knowl io.github.dat999zx/knowl

Persistent memory for AI agents, for code, research and everyday life. Stale facts retire.