Servers that give an agent access to something — a filesystem, an API, a database. Every listing here was approved by a person before it appeared, and links out to the source rather than reproducing it. We deliberately don't publish ready-made config blocks: a working one carries arguments and environment variables, and those are somebody's secrets waiting to happen.
Search and analyze ClinicalTrials.gov: trials by keyword/condition/drug/status/phase, one study's…
Meta Ads MCP: Facebook and Instagram reports, campaigns, creatives, audiences. Approval on writes.
Google Ads MCP: reports, search terms, negatives, budgets, campaigns. Approval on every write.
Calibrated judgments for text: yes/no probabilities, picks from your options, or scores.
Offline JPS validator, conformance tester, and experimental evaluator over stdio MCP; keyless.
Bee by HEOSSI: governed multimodal intelligence - chat, code, security, research, documents, memory.
Your writing voice measured across 45 attributes; drafts in that voice, scored against it.
Live road conditions in 37 US states: incidents, closures, chain controls, cameras, wildfires.
A map of your codebase for AI agents: code graph, search, call paths and change impact. No API key.
IR page and earnings release list URLs for 3,821 Japanese listed companies by code or name
Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi
MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).
Check options trades for hidden catalysts (earnings, FDA, legal, SEC) before you sell premium.
Cited Q&A over your own notes, plus drift detection when a cited source changes. Local-first CLI.
AI marketing agent for Google Ads, Meta, GA4, TikTok, LinkedIn, Shopify, HubSpot and more.
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms via MCP. STDIO or Streamable HTTP.
Automate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 326 operations.
Token-efficient code review knowledge graph: semantic search and call-graph resolution.
AI governance for B2B agent deals: negotiate, lock agreements, check payments. Plus x402 USDC.