MCP Server Directory

Oregon Revised Statutes — state statutes by citation.

OSF (Open Science Framework, by the Center for Open Science) MCP.

OSHA MCP — US workplace-safety standards (29 CFR Chapter XVII, parts 1900–1990).

OSRM MCP — routing via the public demo server

OSV.dev (Open Source Vulnerabilities) MCP.

Raw access to all Oura Ring API v2 collections with full pagination and page counts, without server-side analysis.

Outlook mail via Microsoft Graph: read, search, draft, send and organize email. Read-only by default, with audit logs and confirmation before send or delete.

Outlook Contacts (Microsoft 365) MCP Pack

Restructure large Outlook/Hotmail mailboxes: move folder subtrees, bulk move and mark-read with dry-run previews, and manage inbox rules. Cannot send mail.

OpenStreetMap Overpass MCP — programmatic queries against the OSM database

Runs long-running commands a coding agent starts in Neovim (dev servers, watchers) as overseer.nvim tasks you can watch and stop from your task list.

Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.

Oxylabs MCP — Oxylabs Web Scraper API (oxylabs.io)

MCP server for PostgreSQL — query databases, inspect schemas, explain queries from your IDE

Pennsylvania DMV MCP — registered vehicles and electric-vehicle adoption by county and

MCP tools for package-risk: dependency maintenance, licence and advisory checks, paid per call via x402.

Packagephobia MCP — install-size analysis for npm packages

Agent health reporter: advisory health scans under AOS discipline covering manifest, services, immune loop and evidence.

Static blast-radius extraction and an AOS manifest.json divergence check (Oracle, Permitted, Prohibited), also usable as a blocking CI gate.

Packagist MCP — PHP / Composer package registry

MCP server for PackForAI — convert PDF, DOCX, PPTX, XLSX, CSV, JSON into clean, AI-ready Markdown from Claude, Cursor and other MCP clients.

Convert web pages into clean Markdown locally, preserving tables, code blocks and headings.

Create and post link, banner, YouTube and press-release ads on PageRankCafe, read placement performance and query platform insights.

Google PageSpeed Insights — runs Lighthouse against any public URL and returns the performance scores, the real-user field data, and the ranked list of fixes.

MCP server that gives an agent a real browser: url to markdown, screenshot a url, url to pdf. No signup.

Paleobiology Database (PBDB) MCP — the global fossil record. Keyless.

PANGAEA MCP — earth + environmental science data publisher.

Paraguay DNCP MCP — Paraguay government procurement / public contracts (keyless).

Sports odds, player props and prediction-market data, with live previews and source-quality and coverage tools.

Guest check-in and SES.HOSPEDAJES police registration for Spanish short-term rentals: bookings, guest-form completion, SES filing status and check-in links.

Hand tasks, bugs and finished work to AI coding agents, and get back a write-up with evidence.

passive-aggression MCP — wraps StupidAPIs (keyless — no credential needed)

MCP server for Patchlog: create, update, and publish changelog entries from Claude Code, Cursor, and other MCP clients.

Patents MCP — wraps the USPTO Open Data Portal (ODP) Patent File Wrapper API

End-of-day S&P 500 and Nasdaq 100 technicals: distance from the 200-day average, breadth above it, and nightly chart patterns with historical win rates.

Paxaver school community platform: student lunch ordering with allergy and dietary checks, wallets, school calendars, volunteering, memberships and payments.

Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.

Non-custodial paying fetch for x402 APIs (USDC on Base) with operator-set spend caps, approval thresholds, allow/deny lists and a receipt for every attempt.

MCP server for PayFlowAgent — free & pay-per-call (x402/USDC): nad.fun, DeFi yields, web enrich, Base trust.

PayPal MCP Pack — read-only access to PayPal transactions, orders, invoices, and disputes.

MCP server for PayPay (Japan's largest QR wallet). Bilingual (JP/EN) tools for creating QR codes, accepting payments, refunds, and cancellations via the PayPay Open Payment API.

PCAOB — Form AP auditor<->issuer engagements + firm inspection reports.

PDBe (Protein Data Bank in Europe, EBI) MCP.

Deterministic PDF tools: inspect AcroForm fields, fill forms, merge PDFs and generate invoices, working on file paths so PDF bytes stay out of model context.

Order food and groceries on DoorDash via its CLI (macOS arm64): search stores, compare fee-included totals, build carts; orders need user approval.

PeeringDB MCP — the peering ecosystem database.

Peil for Dutch freelancers (ZZP'ers): log hours, draft invoices from unbilled time, and track outstanding and overdue invoices and effective hourly rate.

Pennsylvania Consolidated Statutes — state statutes by citation.