modelcontextprotocol.io
Model Context Protocol
An open context protocol for LLM applications.
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modelcontextprotocol.io
An open context protocol for LLM applications.
Submitted URLs are declarations until checked. Verification inspects published content and does not execute third-party tools.
Quality suggestion: add a short summary blockquote before the file sections.
5 duplicate documentation links
Latest retrieval did not establish resource availability. Previous successful evidence, if any, is retained with reduced confidence.
The score measures observable documentation quality. Each component below lists its earned points, exact checks, and source observations. It is not a prediction of AI rankings or citations.
Overall readiness
Confidence: high· V2
How this score is calculated
round(83.66 ÷ 100 × 100) = 84/100
83.66 points earned out of 100 assessed. All 100 available points were assessed. The checks below show each result. Optional integrations and file size earn no extra points.
Full scoring rules and worked exampleCurrent usable primary file: 25/25.
Current llms.txt retrieval succeeded (HTTP 200); usable text verified.
llms.txt: Documentation sections: Model Context Protocol. Derived from headings; source checked 2026-11-10.
Listing updated: . Machine-readable profile (JSON)
{
"schemaVersion": "1.0",
"name": "Model Context Protocol",
"slug": "model-context-protocol",
"website": "https://modelcontextprotocol.io",
"category": "ai",
"description": "An open context protocol for LLM applications.",
"capabilities": [
"llmsTxt documentation"
],
"aiResources": {
"llmsTxt": {
"type": "llmsTxt",
"url": "https://modelcontextprotocol.io/llms.txt",
"status": "verified",
"available": true,
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:50.999Z",
"lastSuccessfulAt": "2026-11-10T22:13:50.999Z",
"contentType": "text/plain; charset=utf-8",
"contentSize": 50699,
"estimatedTokens": 12675,
"tokenMethod": "UTF-16 characters / 4 (approximation)",
"contentHash": "b9f762771ddc9c31cb67cb8392e46fa4ee2cb170f59d9924bcf2fc98de93a00e",
"internalLinks": 360,
"externalLinks": 0,
"document": {
"h1Count": 1,
"firstBlockIsH1": true,
"title": "Model Context Protocol",
"usefulTitle": true,
"headingCount": 1,
"uniqueHeadingCount": 1,
"hasSections": false,
"orderedHeadings": true,
"sectionWithContent": false,
"fileListLinks": 365,
"summaryPresent": false,
"contextPresent": false,
"validLinks": 365,
"invalidLinks": 0,
"duplicateLinks": 5,
"descriptiveLinks": 360,
"annotatedLinks": 177
},
"linkHealth": {
"eligibleCount": 360,
"selectedCount": 5,
"sampledCount": 5,
"working": 5,
"broken": 0,
"unknown": 0,
"checkedAt": "2026-11-10T22:13:51.371Z",
"sourceHash": "b9f762771ddc9c31cb67cb8392e46fa4ee2cb170f59d9924bcf2fc98de93a00e",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://modelcontextprotocol.io/extensions/apps/build.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/specification/2025-06-18/server/utilities/logging.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/seps/985-align-oauth-20-protected-resource-metadata-with-rf.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/docs/2025-11-25/tutorials/security/security_best_practices.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
}
]
},
"headings": [
"Model Context Protocol"
],
"warnings": [
"Quality suggestion: add a short summary blockquote before the file sections.",
"5 duplicate documentation links"
],
"summary": "Documentation sections: Model Context Protocol.",
"summarySourceHash": "b9f762771ddc9c31cb67cb8392e46fa4ee2cb170f59d9924bcf2fc98de93a00e",
"processingVersion": "2.0",
"method": "markdown-ast-analysis"
},
"llmsFullTxt": {
"type": "llmsFullTxt",
"url": "https://modelcontextprotocol.io/llms-full.txt",
"status": "unavailable",
"available": false,
"httpStatus": null,
"checkedAt": "2026-11-10T22:13:51.222Z",
"lastSuccessfulAt": null,
"warnings": [
"Latest retrieval did not establish resource availability. Previous successful evidence, if any, is retained with reduced confidence."
],
"processingVersion": "2.0",
"method": "static-content-analysis",
"failureHelp": {
"code": "oversized",
"reason": "The response exceeded the 1 MiB verification limit.",
"fix": "Publish a concise llms.txt index with links to separate documentation pages. Reduce this resource below 1 MiB before requesting a recheck."
}
},
"webmcp": null
},
"readiness": {
"score": 84,
"version": "2.0",
"confidence": "high",
"components": [
{
"name": "availability",
"weight": 25,
"assessedWeight": 25,
"points": 25,
"rules": [
{
"id": "current_access",
"label": "Current usable primary file",
"weight": 25,
"observation": "Current llms.txt retrieval succeeded (HTTP 200); usable text verified.",
"points": 25
}
],
"explanation": "Current usable primary file: 25/25."
},
{
"name": "structure",
"weight": 25,
"assessedWeight": 25,
"points": 20,
"rules": [
{
"id": "title",
"label": "One project H1 at the beginning",
"weight": 10,
"observation": "1 H1 heading(s); starts with H1: yes.",
"points": 10
},
{
"id": "sections",
"label": "Coherent content sections",
"weight": 5,
"observation": "H2 with content: no; no heading-level jumps: yes.",
"points": 0
},
{
"id": "file_lists",
"label": "Documentation links organized in lists",
"weight": 5,
"observation": "365 valid link occurrence(s) inside Markdown lists.",
"points": 5
},
{
"id": "heading_uniqueness",
"label": "Non-repeated headings",
"weight": 5,
"observation": "1 unique heading(s) out of 1; code examples are excluded.",
"points": 5
}
],
"explanation": "One project H1 at the beginning: 10/10. Coherent content sections: 0/5. Documentation links organized in lists: 5/5. Non-repeated headings: 5/5."
},
{
"name": "links",
"weight": 25,
"assessedWeight": 25,
"points": 23.66,
"rules": [
{
"id": "link_syntax",
"label": "Resolvable HTTP(S) link syntax",
"weight": 5,
"observation": "365 valid URL occurrence(s), 0 malformed, unsupported or unresolved.",
"points": 5
},
{
"id": "link_uniqueness",
"label": "Unique documentation destinations",
"weight": 5,
"observation": "360 unique destination(s) from 365 valid occurrence(s).",
"points": 4.93
},
{
"id": "link_labels",
"label": "Descriptive link labels",
"weight": 2.5,
"observation": "360 of 360 unique links have non-placeholder labels. This is a text heuristic, not a semantic guarantee.",
"points": 2.5
},
{
"id": "link_notes",
"label": "Context beside file links",
"weight": 2.5,
"observation": "177 of 360 unique links have notes beside a Markdown list link.",
"points": 1.23
},
{
"id": "link_health",
"label": "Sampled destination accessibility",
"weight": 10,
"observation": "5 of 360 destinations sampled: 5 working, 0 confirmed 404/410, 0 unknown. Only working and confirmed-broken results enter this fraction.",
"points": 10
}
],
"explanation": "Resolvable HTTP(S) link syntax: 5/5. Unique documentation destinations: 4.93/5. Descriptive link labels: 2.5/2.5. Context beside file links: 1.23/2.5. Sampled destination accessibility: 10/10."
},
{
"name": "confidence",
"weight": 15,
"assessedWeight": 15,
"points": 15,
"rules": [
{
"id": "verification_age",
"label": "Age of last successful verification",
"weight": 10,
"observation": "Last success: 2026-11-10T22:13:50.999Z. Full points through day 8 (7-day schedule plus 1-day grace), 60% through day 30, 20% thereafter or for an unknown date.",
"points": 10
},
{
"id": "latest_success",
"label": "Latest primary check succeeded",
"weight": 5,
"observation": "Latest primary verification succeeded.",
"points": 5
}
],
"explanation": "Age of last successful verification: 10/10. Latest primary check succeeded: 5/5."
},
{
"name": "metadata",
"weight": 10,
"assessedWeight": 10,
"points": 0,
"rules": [
{
"id": "summary",
"label": "Useful summary blockquote",
"weight": 5,
"observation": "A blockquote before the first H2 with at least 20 non-whitespace characters and no placeholder-only text.",
"points": 0
},
{
"id": "context",
"label": "Useful introductory context",
"weight": 5,
"observation": "An introductory paragraph before the first H2 with at least 20 non-whitespace characters and no placeholder-only text. Listing form fields do not earn these points.",
"points": 0
}
],
"explanation": "Useful summary blockquote: 0/5. Useful introductory context: 0/5."
}
],
"earnedPoints": 83.66,
"assessedWeight": 100,
"availableWeight": 100,
"provisional": false,
"calculatedAt": "2026-11-10T22:13:52.692Z",
"lastVerifiedAt": "2026-11-10T22:13:50.999Z",
"evidence": {
"sourceUrl": "https://modelcontextprotocol.io/llms.txt",
"contentHash": "b9f762771ddc9c31cb67cb8392e46fa4ee2cb170f59d9924bcf2fc98de93a00e",
"processingVersion": "2.0",
"retrievedAt": "2026-11-10T22:13:50.999Z"
},
"linkSampling": {
"eligibleCount": 360,
"selectedCount": 5,
"sampledCount": 5,
"working": 5,
"broken": 0,
"unknown": 0,
"checkedAt": "2026-11-10T22:13:51.371Z",
"sourceHash": "b9f762771ddc9c31cb67cb8392e46fa4ee2cb170f59d9924bcf2fc98de93a00e",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://modelcontextprotocol.io/extensions/apps/build.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/specification/2025-06-18/server/utilities/logging.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/seps/985-align-oauth-20-protected-resource-metadata-with-rf.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/docs/2025-11-25/tutorials/security/security_best_practices.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks.md",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:13:51.371Z",
"attempted": true,
"status": "working",
"reason": "http_success"
}
]
},
"warnings": [
"This measures observable documentation, not model rankings or citation probability.",
"H1 is the only required section in the llms.txt proposal. Other checks are LLMSList quality preferences; missing optional sections do not make usable text invalid.",
"Destination accessibility covers a sample of 5 out of 360 unique links, not the entire website."
]
},
"updatedAt": "2026-11-10T22:13:52.692Z"
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One project H1 at the beginning: 10/10. Coherent content sections: 0/5. Documentation links organized in lists: 5/5. Non-repeated headings: 5/5.
1 H1 heading(s); starts with H1: yes.
H2 with content: no; no heading-level jumps: yes.
365 valid link occurrence(s) inside Markdown lists.
1 unique heading(s) out of 1; code examples are excluded.
How to improve: Start with one useful # project title. Organize documentation under meaningful ## sections and put relevant [Title](URL) links in Markdown lists. Avoid duplicate headings and skipped heading levels. These are quality checks: only H1 is required by the llms.txt proposal. Code examples do not earn heading points.
Resolvable HTTP(S) link syntax: 5/5. Unique documentation destinations: 4.93/5. Descriptive link labels: 2.5/2.5. Context beside file links: 1.23/2.5. Sampled destination accessibility: 10/10.
365 valid URL occurrence(s), 0 malformed, unsupported or unresolved.
360 unique destination(s) from 365 valid occurrence(s).
360 of 360 unique links have non-placeholder labels. This is a text heuristic, not a semantic guarantee.
177 of 360 unique links have notes beside a Markdown list link.
5 of 360 destinations sampled: 5 working, 0 confirmed 404/410, 0 unknown. Only working and confirmed-broken results enter this fraction.
Use unique HTTP(S) documentation links with descriptive labels and short notes beside list links. Fix confirmed HTTP 404/410 destinations in the sample below. Access-denied, rate-limited or timed-out checks are unknown, not confirmed broken. Request a recheck after changes; more links alone earn no extra points.
Age of last successful verification: 10/10. Latest primary check succeeded: 5/5.
Last success: 2026-11-10T22:13:50.999Z. Full points through day 8 (7-day schedule plus 1-day grace), 60% through day 30, 20% thereafter or for an unknown date.
Latest primary verification succeeded.
Useful summary blockquote: 0/5. Useful introductory context: 0/5.
A blockquote before the first H2 with at least 20 non-whitespace characters and no placeholder-only text.
An introductory paragraph before the first H2 with at least 20 non-whitespace characters and no placeholder-only text. Listing form fields do not earn these points.
How to improve: Add a useful > summary and a separate introductory paragraph before the first ## section in the file itself. Each must contain at least 20 non-whitespace characters and not consist only of placeholder text. Each earns five default points. Editing listing form fields alone does not improve this component.
80–100%50–79%0–49%Gray: not assessed
Component colors use earned points ÷ assessed points. Unmeasured checks are excluded from the assessed maximum. Model v2.0. Calculated 2026-11-10 22:13:52 UTC.
5 of 360 unique destinations checked: 5 working, 0 confirmed broken, 0 unknown. We check up to five destinations, not every page. A successful HTTP response does not prove that a page is relevant or factually correct.
Sample checked: 2026-11-10 22:13:51 UTC · Source snapshot: b9f762771ddc
Destination responded successfully
Destination responded successfully
Destination responded successfully
Last verified: 2026-11-10.
This measures observable documentation, not model rankings or citation probability.
H1 is the only required section in the llms.txt proposal. Other checks are LLMSList quality preferences; missing optional sections do not make usable text invalid.
Destination accessibility covers a sample of 5 out of 360 unique links, not the entire website.
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Destination responded successfully
Destination responded successfully
Only HTTP 404/410 is classified as confirmed broken. HTTP 403/429, timeouts and incomplete checks remain unknown. If all sample outcomes are unknown, the link-health check is excluded from the assessed maximum and the score is marked provisional.