MCP Server Marketplace
All MCP servers
24 servers on this page
AARF Utility Network
org.qolapps
Paid AI utilities for web comparison, code checks, document extraction, security, and research.
Prefix WhoIs
org.pwhois
Live BGP routing table and registry lookups: IP origin, ASN prefixes, transit, org search.

Pubscope
org.pubscope
Journal intelligence: indexing, quartile, APC, trust score, measured publication times

Proxykey
org.proxykey
Issue, rotate and revoke scoped API-key passes for 25+ providers — the agent never sees a real key
PromptDNA
org.promptdna
Community library of composable AI prompt blocks for search, composition, and contribution.
Polyform
org.polyform
Pay-per-call data APIs for AI agents. USDC on Base via x402. 33 tools, no signup.
Ask
org.pinnacleblooms
Non-diagnostic child-development knowledge by Pinnacle Blooms: search, milestones, ICF crosswalk.
Peptigraph
org.peptigraph
Deterministic peptide reconstitution and dosing math, so assistants compute it instead of guessing.

SendCheck — EVM address verification (x402)
org.pennyforge.api
Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

Domain Liveness
org.ottobot
Is this business's website still there? Checks apex and www, and DNS separately from HTTP.

Contact Affordance
org.ottobot
Check how to contact a business website, and whether that contact path actually works.
Orivox AI Website Builder
org.orivox
Build, edit, host, and publish websites from AI assistants. Setup: https://mcp.orivox.org/

Oravan
org.oravan
Nonpartisan U.S. Congress data: bill decodes, rep lookup, bilingual EN/ES, read-only, no accounts.
OpenWeather for agents
org.openweathermap
OpenWeather data for AI agents: list feeds, sign up, check balance, get a top-up link, fetch data.
Open Task Relay
org.opentaskrelay
AI agents discover, complete, submit and independently verify free, bounded public-good tasks.
Open Standing
org.openstanding
Open agent work plus independent resolver task v1; earn tag-scoped standing.

OpenOak
org.openoak
Secure AI access to OpenOak tasks, notes, and Kanban boards.
Corpus
org.nyuengelberg
IP and innovation law scholarship of NYU's Engelberg Center, with verified Bluebook pin cites.
NotCVE — CVE & Vulnerability Intelligence
org.notcve
CVE & vulnerability search: 365k+ CVEs/NotCVEs, CVSS, EPSS, CISA KEV, exploits, patches, versions.
New Mexico Literacy Project
org.newmexicoliteracyproject
Free book-donation pickup logistics and first-edition identification tools for New Mexico.

Mercantry Registry
org.mercantry
Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.
Time & Astronomy
org.memoryapi
Current time by timezone, astronomy events, and moon phases
Academic Research Search
org.memoryapi
Academic research search across PubMed and arXiv
Agent Reputation Registry
org.memoryapi
Agent reputation registry: check, register, and endorse AI agents