MCP Server Directory

5237 Model Context Protocol servers — searchable, rated, ready to install.

plcsense com.plcsense/mcp

Read-only TwinCAT ST intelligence: resolve symbols, library APIs, docs, validate PLC code.

local dev-tools Official Registry
Reaction Time Test MCP io.github.rocnubie/reactiontimetest-mcp

Free online reaction time test with five rounds, average milliseconds, rank context, daily streaks

git dev-tools Official Registry
geocode io.github.HyosikPark/geocode

Worldwide place search with coordinates (Open-Meteo) — paid per call (x402/credits), 1 tools

remote search git Official Registry
Flyn to.flyn/mcp

Create, edit and analyse short links and QR codes. OAuth sign-in works on the free plan.

remote dev-tools security Official Registry
Offers ca.mattherbert/offers

Merchant offers with validated discounts and no bought rankings; accepting mints a voucher code.

remote dev-tools Official Registry
Postal Codes com.invokera/postal-codes

Postal code lookup with place names and coordinates for 60+ countries. Via Zippopotam.us.

remote search dev-tools Official Registry
codeweb io.github.GhostlyGawd/codeweb

See what your AI edits affect. Structural checks for AI code changes. 28 MCP tools, no LLM.

local git dev-tools Official Registry
constitution-lint dev.agentopskit.www/constitution-lint

Static linter for CLAUDE.md-style agent constitution files: 10 operational-guardrail checks.

remote ai-llm dev-tools Official Registry
McuBuddy io.github.cunjun/mcubuddy

AI-native MCU debugging and observability through probes, symbols, RTOS, logs, and build tools.

local git dev-tools Official Registry
CalvingWatch Public Knowledge com.calvingwatch/public-knowledge

Read-only CalvingWatch product, tester, camera, privacy and safety facts; no customer data.

remote dev-tools Official Registry
cognigy-ai-mcp-management-server io.github.TsvetanG2/cognigy-ai-mcp-management-server

MCP server for Cognigy.AI - 132 tools to build, configure & operate conversational AI agents

local git dev-tools Official Registry
Tillpad com.cnrcode/tillpad

Bounded KVP, RAG search, and wipe receipts for agent jobs over remote MCP

remote search ai-llm Official Registry
Weavatrix io.github.Weavatrix/weavatrix

Native Weavatrix MCP: 67 read-only tools for code, local CI, n8n, Dify, agents, Mermaid, Web3.

local git dev-tools Official Registry
soma io.github.medianemi-beep/soma

Execution-verified code generation and verification with signed, offline-checkable certificates.

local git dev-tools Official Registry
strategy-lab xyz.kellyruns/strategy-lab

Stress-test lowcap, perp and LP strategies. Returns the full distribution and a reproduction seed.

remote dev-tools Official Registry
Kairon com.heykairon/kairon

Build prospecting lists from buying signals, enrich them, and run LinkedIn outreach.

remote dev-tools Official Registry
hn-developer-sentiment-mcp io.github.digitalgremlin/hn-developer-sentiment-mcp

Deterministic Hacker News developer sentiment, themes & feature requests via MCP. No API key.

remote git dev-tools Official Registry
Permit Verdicts io.github.okwithit9-debug/permit-verdicts

Building-permit verdicts by address, with cited records. SF, Seattle, Austin, NYC. Pay per call.

remote git dev-tools Official Registry
Dates-LE io.github.nolindnaidoo/dates-le

Extract dates and timestamps from logs, data files and code, with their format and position.

local git dev-tools Official Registry
agent-wallet com.theaslangroupllc.pulse/agent-wallet

Local agent wallet + 900 pay-per-call data APIs — free discovery, x402 USDC, code-level spend caps

local dev-tools Official Registry
emailmd dev.emailmd/emailmd

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

remote local communication dev-tools Official Registry
postcodeproperty io.github.markhahnel/postcodeproperty

UK area & property intelligence for AI agents: reports, EPC, comparables, with source provenance.

remote git dev-tools Official Registry
security-preflight io.github.jdhart81/security-preflight

Static MCP, source-code and injection-indicator checks with redacted signed receipts.

remote git dev-tools Official Registry
slop-eval io.github.RudrenduPaul/slop-eval

Wraps the slop-eval CLI as a single generic MCP tool for genericness scoring of AI UI output.

local git dev-tools Official Registry
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