"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Search the FAA handbooks, advisory circulars and Airman Certification Standards (ACS) used for pilot training, and read any page in full with its figures, charts and tables. Every result links back to the exact page so answers can be cited. Free, public, no API key.
Free premium UI components in plain HTML, CSS and vanilla JS, for AI coding assistants.
Cited answers in Claude or ChatGPT only from your office's procedures; says so when not covered.
Free, read-only access to Alicia's published English and Chinese notes on Houdini, Three.js, OpenUSD and AI-assisted 3D workflows. Search articles, read full Markdown, browse topics and recent notes. Results include canonical source URLs and author attribution. No account or API key; Streamable HTTP with four read-only tools. Digital Garden is the interactive 3D flower artwork at digitalgarden.si. Setup: https://digitalgarden.si/agents/?utm_source=glama&utm_medium=referral&utm_campaign=listing
Software end-of-life dates, open-source licenses, browser support for web features and RFC facts.
Ask questions about Claude Code, Cursor, Codex and MCP — get answers grounded in their official docs, with citations. A hybrid RAG service that AI agents call through two MCP tools (or over REST). It indexes ~600 pages of official documentation, refreshes itself daily, and every design choice is backed by an experiment.
7 research navigation, thesis, note-taking and citation skill products. 6 of 8 free.
jitprompt gives your agents just-in-time instructions. Upload your docs as they are, and your agent gets the right section over MCP at the moment it needs it, instead of 20k tokens of system prompt every turn.
Keyless docs/discovery. RPC follows chain policy; indexed data and account tools need an API key.
FrontMCP's docs for coding agents: search, pages, APIs, examples and upgrades, by FrontMCP release.
Convert docs and web pages to clean Markdown: PDF, DOCX, XLSX, EPUB, scans, URLs. Batch of 10.
Search the official docs of Claude Code, Cursor, OpenAI Codex and MCP, refreshed daily.
Documentación de Ecuafact API: facturación electrónica del SRI de Ecuador. Sin credenciales.
Grounded search over chinaready.co — practical guides for launching software in Mainland China (ICP filing, app-store publishing, China cloud regions, payments). Three read-only tools: hybrid search, topic catalog, and full articles as Markdown. Every result carries an absolute source URL so answers can be cited. Free, no account, no keys.
Vietnam HS code classification, import/export tariff lookup, explanatory notes and WCO classification opinions for customs declarations. Unofficial; not affiliated with Vietnam Customs. By OZ.
Brainstorm scored idea maps, check npm/PyPI packages and vendors, find the right paid API.
Sourced, citable definitions of prompting and LLM techniques, with relations and primary sources.
Overleaf alternative online LaTeX editor. AI agents edit, comment, and chat. Keep or revert edits.
CapaLens is a read-only software directory for people and AI assistants. Explore 234 software products and 347 MCP, API and CLI interface listings using seven discovery tools. Documentation review does not mean live vendor testing or security testing; no vendor integrations have been tested. CapaLens does not execute vendor actions or collect vendor credentials.
Public, dated project notes from the iinventedlight / corrow indie studio, covering the Starweave DAW, the Crystal Storm game, music and art. It's a remote streamable-HTTP MCP server at https://iinventedlight.com/mcp, with three read-only tools: list_notes, read_note and search_notes. There's also an optional submit_contribution tool that needs a key and only sends to a private review queue that a person approves. Agents should ask their user before submitting anything. Notes are CC BY 4.0.
