Context7
REMOTE · MCP.CONTEXT7.COM · 3 COMPONENTS
Up-to-date docs for AI agents
Available components
Last scanned (23 hours ago)
Scores higher than 91% of remote servers
Reachable. Last reached 4 Nov 2026.
Category Code Search and Documentation
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability61
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 1092 tokens (~546/item across 2 items; 2 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a current MCP spec version (2026-07-28).Pass
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 3 Nov 26 0
- The server rewrote its instructions, which are the text every model session reads security
- Server version: 4.4.3 → 4.5.0 functional
- 19 Oct 26 0
- Server version: 4.4.2 → 4.4.3 functional
- 15 Oct 26 0
- Server version: 4.4.1 → 4.4.2 functional
- 14 Oct 26 0
- Server version: 4.4.0 → 4.4.1 functional
- 13 Oct 26 0
- Server version: 4.3.0 → 4.4.0 functional
- “query-docs” reworded the description of “libraryId” cosmetic
- 10 Oct 26 0
- Tool “query-docs” rewrote its description, which is the text the model reads security
- Server version: 4.2.0 → 4.3.0 functional
- “query-docs” added an optional parameter “language” cosmetic
- 28 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Sept 26 0
- Stability: 0.97 → pass security
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 4 Nov 2026 · Probed https://mcp.context7.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=*.context7.com | CN=Amazon ECDSA 384 M01,O=Amazon,C=US | 21 Sept 2026 | 6 Apr 2027 | ECDSA 384 | ECDSA-SHA384 | a954e2a4cb0a9820d92fbcdb2dc9f81 |
| SANs: *.context7.com | ||||||
| CN=Amazon ECDSA 384 M01,O=Amazon,C=US (CA) | CN=Amazon Root CA 4,O=Amazon,C=US | 23 Aug 2022 | 23 Aug 2030 | ECDSA 384 | ECDSA-SHA384 | 77312757ef4c3660f08af2403d3e55435d40b |
| CN=Amazon Root CA 4,O=Amazon,C=US (CA) | CN=Starfield Services Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US | 25 May 2015 | 31 Dec 2037 | ECDSA 384 | SHA256-RSA | 67f944a7111aac3ea73ba4cac07572696df8b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of mcp.context7.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| context7.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000; includeSubDomains |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://mcp.context7.com/mcp | Verified | 200 | |
| http (plaintext) | http://mcp.context7.com/mcp | HTTPS enforced |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
query-docs Query Documentation ~403
Retrieves and queries up-to-date documentation and code examples from Context7 for any programming library or framework. You must call 'Resolve Context7 Library ID' tool first to obtain the exact Context7-compatible library ID required to use this tool, UNLESS the user explicitly provides a library ID in the format '/org/project' or '/org/project/version' in their query. Do not call this tool more than 3 times per question. If you know the programming language the user is working in, pass it as `language` so the results match their setup.
| Name | Type | Req | Description |
|---|---|---|---|
| language | string | – | Programming language the user is writing code in, such as 'Python', 'TypeScript', 'Go', or 'C#'. Ranks code examples in that language first. Leave it out when the language is unknown or does not appl… |
| libraryId | string | yes | Exact Context7-compatible library ID (e.g., '/mongodb/docs', '/vercel/next.js', '/supabase/supabase', '/vercel/next.js/v16.2.9') retrieved from 'resolve-library-id' or directly from user query in the… |
| query | string | yes | What to look up in the library's documentation, scoped to a single concept. Be specific and include relevant details, but keep each query to one topic — if the user's question spans multiple distinct… |
No output schema declared.
No examples provided.
resolve-library-id Resolve Context7 Library ID ~543
Resolves a package/product name to a Context7-compatible library ID and returns matching libraries. You MUST call this function before 'Query Documentation' tool to obtain a valid Context7-compatible library ID UNLESS the user explicitly provides a library ID in the format '/org/project' or '/org/project/version' in their query. Each result includes: - Library ID: Context7-compatible identifier (format: /org/project) - Name: Library or package name - Description: Short summary - Code Snippets: Number of available code examples - Source Reputation: Authority indicator (High, Medium, Low, or Unknown) - Benchmark Score: Quality indicator (100 is the highest score) - Versions: List of versions if available. Use one of those versions if the user provides a version in their query. The format of the version is /org/project/version. For best results, select libraries based on name match, source reputation, snippet coverage, benchmark score, and relevance to your use case. Selection Process: 1. Analyze the query to understand what library/package the user is looking for 2. Return the most relevant match based on: - Name similarity to the query (exact matches prioritized) - Description relevance to the query's intent - Documentation coverage (prioritize libraries with higher Code Snippet counts) - Source reputation (consider libraries with High or Medium reputation more authoritative) - Benchmark Score: Quality indicator (100 is the highest score) Response Format: - Return the selected library ID in a clearly marked section - Provide a brief explanation for why this library was chosen - If multiple good matches exist, acknowledge this but proceed with the most relevant one - If no good matches exist, clearly state this and suggest query refinements For ambiguous queries, request clarification before proceeding with a best-guess match. IMPORTANT: Do not call this tool more than 3 times per question. If you cannot find what you need after 3 calls, use the best result yo…
| Name | Type | Req | Description |
|---|---|---|---|
| libraryName | string | yes | Library name to search for and retrieve a Context7-compatible library ID. Use the official library name with proper punctuation — e.g., 'Next.js' instead of 'nextjs', 'Customer.io' instead of 'custom… |
| query | string | yes | What to look up in the library's documentation. This is used to rank library results by relevance to what the user is trying to accomplish. The query is sent to the Context7 API for processing. Do no… |
No output schema declared.
No examples provided.
How do I install the Context7 MCP server?
Context7 is a hosted endpoint at https://mcp.context7.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · mcp.context7.com
claude mcp add --transport http upstash-context7 'https://mcp.context7.com/mcp'
What is the Context7 MCP server?
Context7 is an MCP server listed in the public MCP registry as io.github.upstash/context7. Up-to-date docs for AI agents. This page covers its hosted endpoint (https://mcp.context7.com/mcp).
Is the Context7 MCP server safe to use?
Context7 scores 85 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Context7 MCP server expose?
Context7 exposes 2 tools: resolve-library-id, query-docs. Their descriptions and schemas cost roughly 946 tokens of context every time the server is loaded.
Does the Context7 MCP server require authentication?
No. We connected to Context7 without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Context7 MCP server still maintained?
Context7 is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.