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| 1 | +--- |
| 2 | +title: Skills Over MCP Charter |
| 3 | +description: Charter for the MCP Skills Over MCP Interest Group. |
| 4 | +--- |
| 5 | + |
| 6 | +## Group Type |
| 7 | + |
| 8 | +**Interest Group** |
| 9 | + |
| 10 | +## Mission Statement |
| 11 | + |
| 12 | +The Skills Over MCP Interest Group explores how "agent skills" — rich, structured |
| 13 | +instructions for agent workflows — can be discovered and consumed through MCP. Native |
| 14 | +skills support in host applications demonstrates strong demand, and the IG emerged from |
| 15 | +discussion on [SEP-2076 — Agent Skills as a First-Class MCP Primitive](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2076), |
| 16 | +which raised open questions about whether existing MCP primitives suffice or what |
| 17 | +conventions to standardize. Cross-cutting collaboration is needed because solutions touch |
| 18 | +the protocol spec, registry schema, SDK implementations, and client behavior. |
| 19 | + |
| 20 | +## Scope |
| 21 | + |
| 22 | +### In Scope |
| 23 | + |
| 24 | +- **Requirements gathering**: Documenting use cases, constraints, and gaps in current |
| 25 | + MCP primitives for skill distribution |
| 26 | +- **Pattern exploration**: Testing and evaluating approaches (skills as tools, resources, |
| 27 | + registry metadata, protocol primitives) and discovery mechanisms (runtime via MCP, |
| 28 | + domain-level via well-known URIs, ecosystem-level via registry) |
| 29 | +- **Coordination**: Bridging discussions across Registry WG, Agents WG, and external |
| 30 | + projects including the [Agent Skills](https://agentskills.io/) spec (content format |
| 31 | + and well-known URI discovery), FastMCP, and PydanticAI |
| 32 | +- **Proof of concepts**: Maintaining a shared repo of reference implementations and |
| 33 | + experimental findings |
| 34 | + |
| 35 | +### Out of Scope |
| 36 | + |
| 37 | +- **Approving spec changes**: This IG does not have authority to approve protocol |
| 38 | + changes; recommendations flow through the SEP process |
| 39 | +- **Registry schema decisions**: Schema ownership belongs to the Registry WG; this IG |
| 40 | + contributes requirements but does not own the schema |
| 41 | +- **Client implementation mandates**: We can document patterns but not require specific |
| 42 | + client behavior |
| 43 | +- **Plugin/bundle packaging**: Installable bundles (skills + servers + subagents + |
| 44 | + configuration as a single artifact) — surfaced by use cases but belongs to a broader |
| 45 | + packaging effort |
| 46 | + |
| 47 | +### Related Groups |
| 48 | + |
| 49 | +- **Agents WG** — How agents consume server metadata, skill activation |
| 50 | +- **Registry WG** — Skills discovery/distribution, registry schema changes |
| 51 | +- **Primitive Grouping WG** — Progressive disclosure patterns |
| 52 | + |
| 53 | +## Membership |
| 54 | + |
| 55 | +| Name | Organization | GitHub | Level | |
| 56 | +| ------------------------ | ------------------------------- | ------------------------------------------------------ | ----------- | |
| 57 | +| Ola Hungerford | Nordstrom / MCP Maintainer | [@olaservo](https://github.com/olaservo) | Facilitator | |
| 58 | +| Peter Alexander | Anthropic / Core Maintainer | [@pja-ant](https://github.com/pja-ant) | Facilitator | |
| 59 | +| Yu Yi | Google | [@erain](https://github.com/erain) | Participant | |
| 60 | +| Sunish Sheth | Databricks | [@sunishsheth2009](https://github.com/sunishsheth2009) | Participant | |
| 61 | +| Keith A Groves | Hyix | [@keithagroves](https://github.com/keithagroves) | Participant | |
| 62 | +| Peder Holdgaard Pedersen | Saxo Bank / MCP Maintainer | [@pederhp](https://github.com/pederhp) | Participant | |
| 63 | +| Sam Morrow | GitHub | [@SamMorrowDrums](https://github.com/SamMorrowDrums) | Participant | |
| 64 | +| Jacob MacDonald | Google | [@jakemac53](https://github.com/jakemac53) | Participant | |
| 65 | +| Jonathan Hefner | Independent / MCP Maintainer | [@jonathanhefner](https://github.com/jonathanhefner) | Participant | |
| 66 | +| Luca Chang | AWS / MCP Maintainer | [@LucaButBoring](https://github.com/LucaButBoring) | Participant | |
| 67 | +| Bob Dickinson | TeamSpark.ai / MCP Maintainer | [@BobDickinson](https://github.com/BobDickinson) | Participant | |
| 68 | +| Radoslav Dimitrov | Stacklok / MCP Maintainer | [@rdimitrov](https://github.com/rdimitrov) | Participant | |
| 69 | +| Juan Antonio Osorio | Stacklok | [@JAORMX](https://github.com/JAORMX) | Participant | |
| 70 | +| Kaxil Naik | Astronomer / Apache Airflow PMC | [@kaxil](https://github.com/kaxil) | Participant | |
| 71 | +| Cliff Hall | Futurescale | [@cliffhall](https://github.com/cliffhall) | Participant | |
| 72 | + |
| 73 | +## Operations |
| 74 | + |
| 75 | +| Meeting | Frequency | Duration | Purpose | |
| 76 | +| ------------ | ----------------- | ---------- | ----------------------------------------------------------------------------------- | |
| 77 | +| Office Hours | Weekly (Tuesdays) | 60 minutes | Technical discussion, pattern evaluation, proposal review; open to all participants | |
| 78 | + |
| 79 | +Default start time is 9:00 AM Pacific. Sessions may occasionally be scheduled earlier to better accommodate non-US time zones. |
| 80 | + |
| 81 | +Meetings are published at [meet.modelcontextprotocol.io](https://meet.modelcontextprotocol.io). Agendas are posted in advance per MCP meeting policy. Meeting notes are published to [Meeting Notes — Skills Over MCP IG](https://github.com/modelcontextprotocol/modelcontextprotocol/discussions/categories/meeting-notes-skills-over-mcp-ig). |
| 82 | + |
| 83 | +Discord: [#skills-over-mcp-ig](https://discord.com/channels/1358869848138059966/1464745826629976084) |
| 84 | + |
| 85 | +## Resources |
| 86 | + |
| 87 | +- Experimental findings and reference implementations: [modelcontextprotocol/experimental-ext-skills](https://github.com/modelcontextprotocol/experimental-ext-skills) |
| 88 | +- Project board: [Skills Over MCP IG](https://github.com/orgs/modelcontextprotocol/projects/38/views/1) |
| 89 | + |
| 90 | +## Deliverables & Success Metrics |
| 91 | + |
| 92 | +### Active Work Items |
| 93 | + |
| 94 | +Full live tracking is on the [Skills Over MCP IG project board](https://github.com/orgs/modelcontextprotocol/projects/38/views/1). Headline workstreams: |
| 95 | + |
| 96 | +| Item | Status | Champion | |
| 97 | +| ---------------------------------------------- | ----------- | -------------------------------------------------------------------------------------------- | |
| 98 | +| Skills Extension SEP (draft, Extensions Track) | In Review | [@pja-ant](https://github.com/pja-ant) | |
| 99 | +| Skills Extension reference implementation | In Review | [@olaservo](https://github.com/olaservo) | |
| 100 | +| Agent Skills spec coordination | In Progress | [@jonathanhefner](https://github.com/jonathanhefner), [@pja-ant](https://github.com/pja-ant) | |
| 101 | +| Registry skills.json proposal | In Progress | [@JAORMX](https://github.com/JAORMX) | |
| 102 | + |
| 103 | +### Success Criteria |
| 104 | + |
| 105 | +- **Short-term**: Documented consensus on requirements and evaluation of existing approaches |
| 106 | +- **Medium-term**: Clear recommendation (convention vs. protocol extension vs. both) — the draft Skills Extension SEP represents the IG's current direction: a formal extension using existing Resources primitives |
| 107 | +- **Long-term**: Interoperable skill distribution across MCP servers and clients |
| 108 | + |
| 109 | +## Changelog |
| 110 | + |
| 111 | +| Date | Change | |
| 112 | +| ---------- | --------------- | |
| 113 | +| 2026-04-14 | Initial charter | |
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