Who it is for
Developers working with libraries that move fast enough for model recall to go stale between releases.
AI Connectors · Developer Tools
Current library documentation pulled into the model's context
Overview
Context7 addresses one failure mode in particular. A model answering from training data that predates the current release of a library will produce examples that no longer apply and function calls that were never real.
The app retrieves present-day documentation and code samples for the libraries in question and puts them into the model's context before an answer is written. The stated effect is no switching to a browser tab, no invented interfaces, and no code generated against an older version.
Upstash Inc. publishes it, and the sample question in the listing is an ordinary documentation query about React hooks.
Developers working with libraries that move fast enough for model recall to go stale between releases.
It handles documentation freshness on its own rather than folding that job into a broader coding assistant.
Availability
Context7 ships this on both marketplaces: Context7 is listed in the Claude connectors directory and in the ChatGPT apps directory, under the same publisher domain.
Only 392 of the 3,150 products in this directory are listed in both marketplaces. One MCP server can serve both surfaces; what differs is each platform's listing and review process.
ChatGPT listing
Claude listing
Context7 publishes 2 tools to Claude, a deliberately narrow surface; only 5.3% of the 1,253 Claude-listed connectors expose fewer.
The median Claude-listed connector filed under Developer Tools publishes 13, so this one sits 11 tools below its bucket's median, 83rd of 95.
It falls in the 1-3 tools band, which holds 16.4% of the Claude directory.
A direct call to the endpoint returned 2 tools, matching the 2 the listing publishes. Probed 2026-08-07.
resolve-library-idquery-docsContext7 publishes a remote MCP endpoint. Claude connects to it over HTTP; there is nothing to install locally.
Every connector in the Claude directory is remote, all 1,253 of them, so transport is not a differentiator there.
https://mcp.context7.com/mcp Context7 carries partner verification in the Claude directory, which 474 of 1,253 listings do (37.8%). That is a review step past self-publishing, not an Anthropic-built server.
In the publisher's words
Context7 fetches up-to-date code examples and documentation right into your LLM's context. No tab-switching, no hallucinated APIs that don't exist, no outdated code generation.
Quoted from the connector's own Claude directory listing as captured in August 2026. Node8 did not write it and does not vouch for it.
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This is an independent catalogue entry compiled by Node8 from Context7's public marketplace listings as they stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Context7, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.