MCP Server Directory

constitution-lint dev.agentopskit.www/constitution-lint

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

meta-stamp-pockets io.github.Christebob/meta-stamp-pockets

Attribution and settlement infrastructure for AI agent content access over HTTP 402 and MCP.

plumbline ai.agentlookups/plumbline

Free public-record contractor license checks across 34 US jurisdictions (2.7M records). Tool

Fda Drug Competition io.github.pipeworx-io/fda-drug-competition

Orange Book competitive intelligence from FDA's monthly official data ZIP.

sendpage com.sendpageapp/sendpage

Publish an HTML document as a link anyone can open in one tap, plus PDF, image and Word export.

Ansvar: French Law eu.ansvar/french-law

French law via Ansvar Gateway. Cited, OAuth + paid tier.

AgentsKit Registry io.github.AgentsKit-io/agentskit-registry

Discover open-source AI agents and get source-owned installation instructions through MCP.

groundtruth ai.agentlookups/groundtruth

Federal environmental records + address due-diligence layers near any US location. Tools

Opinly ai.opinly/opinly

SEO, competitor and AI-search data, plus blog management — draft, schedule and publish posts.

Jobkeepr com.jobkeepr/jobkeepr

Manage jobs, customers, scheduling, estimates and invoices for a field service business.

mcp ai.waterr/mcp

List WaterrAI scenarios, fetch AI-run meetings, and pull rubric-scored analyses.

Handover sh.handover/handover

Shared, versioned context that humans and AI agents can publish, review, annotate, and continue.

counterscript ai.agentlookups/counterscript

What pharmacies actually pay for prescriptions (CMS NADAC) plus fair-cash-price estimates.

clickup io.usefulapi/clickup

Read teams, spaces, lists and tasks; create, update and comment on tasks and track time.

gtm-tools dev.gtmtools/gtm-tools

A read-only verified record of agent-operable GTM tools: search, fetch, compare, track changes.

CryptoPulse Data API ai.saascloud/cryptopulse

Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.

CSS SOTA io.github.LuSrodri/css-sota-mcp

What CSS you can actually ship today, from live Baseline data and MDN browser-compat-data.

DAP Bellwether solutions.dap/bellwether

Free regulatory change feed for financial regulators in Canada, the US, the UK and the EU.

roadflow io.roadflow/roadflow

Create and edit roadmaps with JSON or markup; share edit and view links from AI agents.

App Store data for agents sh.fetcher.appstore/mcp

9 App Store endpoints. Pay per call in USDC via x402.

Explain Algorand transactions, groups, batches, and account activity with x402.

Fulcru io.github.gsmmediaro/fulcru

Find where ChatGPT names your competitor, write the page that closes the gap, measure it.

Free OFAC sanctions/text/health-check tools; paid x402 agent+wallet audit tools.

vips com.vipsallowed/vips

Creator economy platform for agents: posts, paid content, subscriptions, streams. 1% fee.