5adfff5952* docs: point README and AGENTS.md at the released spec and official docs SEP-2640 is Final and the extension ships from specification/stable/skills.mdx, so the README now leads with a Specification section linking the spec file, the official docs page (modelcontextprotocol.io/extensions/skills/overview), the published SEP, and the client matrix. The experimental banner is replaced with a note that docs/ holds working documents; the charter, pulls, and issues links move off the redirecting experimental-ext-skills / charter URLs. AGENTS.md no longer names the SEP PR as the source of truth; it points agents at the stable spec page and describes the decision-log flow against that file. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: accepted spec changes land in a draft revision, not the stable file The stable specification is a released snapshot. README and AGENTS.md now say accepted decision-log proposals go into a draft revision that ships as a new release, matching the ext-tasks specification layout. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: move pre-release design documents to docs/archive SEP-2640 is Final, so docs/ now holds only living working documents. Eight historical documents move to docs/archive with an index explaining what each was and what superseded it: the SEP baseline copy, why-and-when, use-cases, approaches, skill-uri-scheme, glossary, client-mcp-support (superseded by the official client matrix), and agent-plugins-analysis. Files the published SEP links to by path (decisions, experimental-findings, open-questions, problem-statement, rationale, related-work, skill-meta-keys) stay in place so those links keep working. Cross-links are rewritten and verified; the README contents table is trimmed to match. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: archive open-questions and skill-meta-keys Both are pre-release documents whose outcomes live in the decision log and the specification. The published SEP links to them by path; a companion change in modelcontextprotocol/modelcontextprotocol repoints those links. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: fix sibling links inside archived open-questions and skill-meta-keys Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: keep only the decision log and rationale in docs/ threat-model, experimental-findings, findings-template, problem-statement, and related-work move to docs/archive with index rows. The candidates tracker and the archived client-support survey are removed in favor of the official extension client matrix, and links to them are repointed there. README drops the Why and Problem Statement sections, which duplicate the SEP's Motivation and the official overview page. CONTRIBUTING routes new implementation findings to GitHub issues. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: fix sibling links inside newly archived documents Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: add a concise implementations list One table each for servers/SDKs and hosts, one line per entry, replacing the retired candidates tracker and the related-work implementation tables. Seeded from those plus PR #141 and issue #144. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: put tracking links in the Status column of the implementations list Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: add a vendor/community category to the implementations list Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: replace the interim reference package with the TypeScript SDK row The @olaservo/ext-skills package is retired in favor of first-class skills APIs in the TypeScript SDK (typescript-sdk#2798, phase 1 in #2818). The archived related-work page now points at implementations.md for current information. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: drop pre-SEP rows from the implementations list They are already recorded in the archived related-work page; the list now points there instead. FastMCP stays because its row tracks the migration to v1. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: add official SDK progress, Tachyon, and Inspector 2.6.0 to implementations From the WG Discord channel and the SDK repos as of 2026-09-15: Go, TypeScript, Python, and C# SDKs all have open SEP-2640 PRs (Go passes conformance); the conformance suite merged; Inspector 2.6.0 shipped skills verification; Tachyon reports a server implementation. Adds an "in progress" status for open PRs. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: track Goose host support via the official issue Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: only tag community rows in the implementations list Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: tag MCP-project rows as official in the implementations list Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: split the implementations list into SDKs, servers, and hosts Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * docs: add MCPJam Inspector to hosts Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> * Revise implementations table format and content Updated the implementations table to include language and status columns. Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Correct links and clarify documentation references Updated links to SEP-2640 and clarified document references. Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com> Co-authored-by: Sambhav Kothari <sambhavs.email@gmail.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
44 lines
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44 lines
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Markdown
# Example Implementations
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Example servers, SDKs, and hosts that serve or consume skills over MCP. Official client support is tracked on the [extension client matrix](https://modelcontextprotocol.io/extensions/client-matrix); this list is broader and community-maintained.
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**Status:** `v1` implements the released extension · `partial` implements some of it · `pre-v1` targets an earlier draft · `prototype` fork or demo · `in progress` open PR · `planned` issue only. A link after the status points to the issue or PR tracking the work.
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**Category:** `official` maintained by the MCP project · `community` individual or community project · unmarked rows are maintained by the organization behind the product
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Implementations that predate the SEP are recorded in the archived [related work](archive/related-work.md) and are not repeated here.
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To add or update a row, open a PR. Keep notes to one line.
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## SDKs and frameworks
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| Implementation | Category | Language | Status | Notes |
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| :--- | :--- | :--- | :--- | :--- |
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| [Go SDK](https://github.com/modelcontextprotocol/go-sdk) | `official` | Go | `in progress` ([#1238](https://github.com/modelcontextprotocol/go-sdk/pull/1238)) | Passes the conformance suite; filesystem provider in [#1240](https://github.com/modelcontextprotocol/go-sdk/pull/1240) |
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| [TypeScript SDK](https://github.com/modelcontextprotocol/typescript-sdk) | `official` | TypeScript | `in progress` ([#2818](https://github.com/modelcontextprotocol/typescript-sdk/pull/2818)) | Phase 1: schemas, client ops, server handlers. Tracking issue [#2798](https://github.com/modelcontextprotocol/typescript-sdk/issues/2798) |
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| [Python SDK](https://github.com/modelcontextprotocol/python-sdk) | `official` | Python | `in progress` ([#3485](https://github.com/modelcontextprotocol/python-sdk/pull/3485)) | Tracking issue [#3486](https://github.com/modelcontextprotocol/python-sdk/issues/3486) |
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| [C# SDK](https://github.com/modelcontextprotocol/csharp-sdk) | `official` | C# | `in progress` ([#1864](https://github.com/modelcontextprotocol/csharp-sdk/pull/1864)) | Alternative PR [#1856](https://github.com/modelcontextprotocol/csharp-sdk/pull/1856); maintainers to pick |
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| [FastMCP SkillsProvider](https://gofastmcp.com/servers/providers/skills) | | Python | `pre-v1` ([#129](https://github.com/modelcontextprotocol/ext-skills/issues/129)) | Own `skill://` shape |
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| [mcpkit](https://github.com/panyam/mcpkit) | `community` | Go | `partial` ([#780](https://github.com/panyam/mcpkit/issues/780)) | Server and host. v1 security rules; catalog still on the index-resource shape |
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| [Tachyon](https://github.com/tachyonmcp/tachyon/tree/main/examples/mcp-skills) | | Java | `v1` | Self-reported 2026-09-14; requires clients to advertise the extension capability |
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## Servers
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| Implementation | Category | Language | Status | Notes |
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| :--- | :--- | :--- | :--- | :--- |
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| [hf-mcp-server](https://github.com/huggingface/hf-mcp-server) | | TypeScript | `v1` | Hugging Face. `skills/list`, `skills/get`, `directoryRead`. HTTP transports only |
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| [github-stars-contrib-mcp-server](https://github.com/svg153/github-stars-contrib-mcp-server) | `community` | Python | `v1` ([#144](https://github.com/modelcontextprotocol/ext-skills/issues/144)) | Passes the [conformance suite](https://github.com/modelcontextprotocol/conformance) server scenarios |
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| [github-mcp-server](https://github.com/github/github-mcp-server/pull/2428) | | Go | `prototype` | Demo branch, not for merge |
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## Hosts (including agent harnesses, IDEs, and web applications)
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| Implementation | Category | Status | Notes |
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| :--- | :--- | :--- | :--- |
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| [fast-agent](https://github.com/evalstate/fast-agent/blob/main/docs/docs/mcp/skills-over-mcp.md) | `community` | `partial` | First client interoperated end-to-end with hf-mcp-server |
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| [MCP Inspector](https://github.com/modelcontextprotocol/inspector/blob/main/clients/cli/README.md#skill-verification---verify) | `official` | `partial` | SEP-2640 support since 2.6.0 (2026-09-09), including CLI skill verification |
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| [MCPJam Inspector](https://github.com/MCPJam/inspector) | | `partial` | Skills surface in the app and CLI; declares the extension capability |
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| [ChatGPT plugins](https://developers.openai.com/plugins/build/mcp-server#import-skills-from-the-mcp-server) | | `partial` | Imports skills at plugin submission, static snapshot |
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| [VS Code fork](https://github.com/tobi-oye/vscode/pull/1) | `community` | `prototype` | `skills/list` discovery and loading ([findings](archive/experimental-findings.md)) |
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| [Goose](https://github.com/aaif-goose/goose) | | `planned` ([#12068](https://github.com/aaif-goose/goose/issues/12068)) | Prototype fork in [ext-skills#125](https://github.com/modelcontextprotocol/ext-skills/pull/125) |
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| [mcpkit host](https://github.com/panyam/mcpkit) | `community` | `partial` | `load_skill` tool, verified reads, per-origin resolution |
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| [agent-harness](https://github.com/ar27111994/agent-harness) | `community` | `planned` ([#492](https://github.com/ar27111994/agent-harness/issues/492)) | Digest-pinned skill store |
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