The whole ecosystem, one catalog.

4,984 results · page 112 of 167 · 2,521 low signal or duplicate entries are not listed

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  openworkdaysMCP serverDev tools

  Zero-signup business-day date-math API: add days, count days between dates, is-business-day.

  Serves today

  github.com/solvohq/openworkdays

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  operational-contextMCP serverDev tools

  Unpaid qualification-gated operational_context canary. Staging data. No wallet.

  Serves today

  github.com/phoenixclaw01/phoenix-collective-os

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  optifeed-radarMCP serverDev tools

  AI visibility checker: does AI recommend your brand? GEO/AEO, runs locally, BYO keys. CLI + MCP.

  github.com/optifeed/optifeed-radar

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  options-flowMCP serverDev tools

  Unusual options activity on 7,000+ US stocks: top prints, streaks, IV rank, sentiment, sectors.

  Serves today

  github.com/stockmarketscan/optionsbell-mcp

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  optionsahoy-mcpMCP serverDev tools

  Equity comp tax/trade optimizer: ISO/AMT exercise, NSO, RSU, QSBS, concentration, hedging. 50-state.

  Serves today

  github.com/alvisooculus/optionsahoy-mcp

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  or-dmvMCP serverDev tools

  Oregon DMV: live field-office wait times and office directory for all 60 offices

  Serves today

  github.com/pipeworx-io/mcp-or-dmv

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  ora-mcpMCP serverDev tools

  Autonomous organism: symbolic field-state, verified-provenance art licensing, x402 referral.

  Serves today

  github.com/fomosdeimos-gif/awesome-x402

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  oracle-cloudMCP serverDev tools

  Oracle Cloud Infrastructure MCP server

  github.com/expertvagabond/oracle-cloud-mcp

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  oral-heritage-indexMCP serverDev tools

  Authoritative cited answers about saving family stories. Published by InkTree.

  Serves today

  github.com/heirloomz/inktree-social-tools

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  orangepeelMCP serverDev tools

  Cited Hermès price & resale market data as MCP tools, with attribution. Not affiliated.

  Serves today

  github.com/andyvoco/orangepeel-mcp

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  orangerailMCP serverDev tools

  Turns your Prisma schema into typed MCP tools, with destructive writes gated behind human approval

  github.com/kimhyeongrae0/orangerail

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  orbis-marketplaceMCP serverDev tools

  Browse, subscribe to, and call 3,000+ APIs autonomously. x402 USDC pay-per-call on Base.

  Serves today

  github.com/orbisapi/orbis-sdk

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  orbiteosMCP serverDev tools

  Energy management platform — 61 tools for solar, battery, grid, and EV charging control

  Serves today

  github.com/orbiteos/orbiteos-core

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  orca-mcp-serverMCP serverDev tools

  Go from natural language to verified finite state machines — topology bugs caught before code runs.

  github.com/jascal/orca-lang

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  orcaslicer-mcpMCP serverDev tools

  Work a running OrcaSlicer with AI: slice, tune, and understand what each setting costs

  github.com/maxellis/orcaslicer-mcp

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  orcidMCP serverDev tools

  ORCID public researcher records (works, employment, education)

  Serves today

  github.com/pipeworx-io/mcp-orcid

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  orcid-mcp-serverMCP serverDev tools

  Researcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry.

  Serves today

  github.com/cyanheads/orcid-mcp-server

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  orderbook-depthMCP serverDev tools

  Uniswap V3 pool liquidity depth analysis — price impact at 1/2/5/10% levels. x402.

  Serves today

  github.com/br0ski777/orderbook-depth-x402

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  orionMCP serverDev tools

  Build and operate declarative REST/Kafka services on Orion: 58 tools over the full admin API.

  github.com/goplasmatic/orion

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  orizn-visa-mcpMCP serverDev tools

  Visa and entry requirements for any passport/destination pair, in 15 languages. Free key.

  github.com/mattjeff/orizn-mcp-server

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  orthotomeoMCP serverDev tools

  Read-only scripture-study engine: complete-or-fail concordance over Greek NT, Hebrew OT, LXX.

  Serves today

  github.com/jrainsberger/orthotomeo

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  osfMCP serverDev tools

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

  Serves today

  github.com/pipeworx-io/mcp-osf

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  oshaMCP serverDev tools

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

  Serves today

  github.com/pipeworx-io/mcp-osha

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  osm-tagging-schema-mcpMCP serverDev tools

  MCP server for querying and validating OpenStreetMap tags

  caution

  github.com/gander-tools/osm-tagging-schema-mcp

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  osrmMCP serverDev tools

  OSRM MCP — routing via the public demo server

  Serves today

  github.com/pipeworx-io/mcp-osrm

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  oss-autopilotMCP serverDev tools

  Open source contribution manager with PR tracking, issue discovery, and CI diagnosis

  github.com/costajohnt/oss-autopilot

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  oss-intel-mcpMCP serverDev tools

  GitHub project health, package dependency risk, trending repos, license & package comparison.

  Serves todaycaution

  github.com/foundrynet/oss-intel-mcp

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  ottoMCP serverDev tools

  Live Robinhood Chain tokenized-stock data: basis vs NASDAQ, gaps, pools, whale flows.

  Serves today

  github.com/degergokalp/otto-data

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  oura-ring-mcp-serverMCP serverDev tools

  Oura Ring MCP server for the Oura API v2: sleep, readiness, activity, heart rate, and more.

  github.com/jordanburke/oura-ring-mcp-server

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  ourairports-mcp-serverMCP serverDev tools

  Offline global aviation reference — airports, runways, navaids, frequencies from OurAirports.

  Serves today

  github.com/cyanheads/ourairports-mcp-server

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