MCP Server Directory

LabTestSuperstore io.github.SunRainSnow/labtestsuperstore

Read-only U.S. lab-test catalog, collection-site search, and reference-range context.

R3 org.r3js/r3

Build 3D web apps: physics, audio, music, Blender import. Live edits, undo, versions, publishing.

Persistent, interactive MCP Apps — the AI builds an app once, you both reuse it

due-diligence pro.tvarka/due-diligence

Lithuanian company due diligence and KYC identification, attested by an attorney-at-law.

Session memory for coding agents: local-first recall, drift detection, on-device inference.

Non-custodial USDC wallet on Base with spending limits enforced in code, not in a prompt.

SF Peninsula building permits and parcel buildability: SB 9, ADU and redevelopment leads.

Connects to Epic MyChart patient portals: interactive login, list and download your own test results

Draft risk-based test plans and assess automated test coverage against product risks with RiskRover.

fixture.email — Email Testing for Agents email.fixture/email-testing

Disposable test mailboxes on a real domain: send, receive and assert on real email.

Chainstack com.chainstack/chainstack

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

Revternal io.github.pipeworx-io/revternal

Revternal MCP — wraps Revternal's people/developer intelligence API (api.revternal.com), rebuilt…

AI Worlds CLI Knowledge com.claude-world/worlds-knowledge

Source-checked CLI guides and model-aware planning for Claude Code, Codex, and Grok Build.

Forge orchestrator MCP server for Claude Code (alpha). Codex/Gemini runners are not in the alpha.

Flipnem com.flipnem/flipnem

Build and study spaced-repetition flashcards with your agent.

CircleCI com.circleci/mcp

CircleCI's MCP server: inspect projects, runs, workflows, jobs, logs, tests, and artifacts.

Developer MCP server: code analysis, JSON repair, imports, diffs, regex, format conversion.

How long a GPU job will run and cost, before running it — static code analysis, never executed.

ThinkReview io.github.Thinkode/thinkreview

Live PR/MR code reviews via review_url_code. OAuth or portal Bearer auth.

Maguyva ai.maguyva/maguyva

Code intelligence for coding agents: semantic, AST, graph, and full-text search. 279+ languages.

Turn an unfamiliar codebase into validated architecture, contracts, and a reimplementation spec.

Returns only the unit tests affected by your current Kotlin/Android code changes.

simplepages ai.simplepages/simplepages

Build and edit landing pages and websites from your AI assistant, and pull how they are performing.

Codebase memory for AI agents: an AST index plus agent-written notes that self-stale.