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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

MCP publishes an Agents Working Group charter naming Tasks stabilization as its primary deliverable

The MCP project published a charter for an Agents Working Group whose stated mission is making interactions with agent-backed systems interoperable over MCP. Its central deliverable is stabilizing the io.modelcontextprotocol/tasks extension and promoting it into the core protocol. The group is led by maintainers from Amazon Web Services and Microsoft.

The MCP project published a charter for an Agents Working Group, merged into the specification repository on 2026-08-05 and carrying an initial charter date of 2026-08-04. Its stated mission is making interactions with agent-backed systems interoperable over MCP.

The central deliverable is Tasks. The charter puts stabilization of the io.modelcontextprotocol/tasks extension and its promotion into the core protocol in scope, which matters because the 2026-07-28 revision moved Tasks out of experimental core and into that extension under SEP-2663. The charter also covers an Agents Extension evaluation spanning agent-as-tool, remote-agent and supervisor with sub-agent patterns, prototypes, SDK and conformance coordination, and documentation. A two-level agent definition proof of concept is listed as an active work item, and the Agents Extension evaluation has no champion assigned yet.

The out-of-scope list is drawn tightly against the other working groups: general-purpose agent frameworks and runtimes are excluded, transport wire formats and session mechanics belong to the Transports Working Group, and general event delivery and callback mechanisms belong to the Triggers and Events Working Group.

The group is led by Luca Chang of Amazon Web Services and Caitie McCaffrey of Microsoft, both on initial terms, and the membership table lists only those two. Operations are a weekly 30-minute working session, an #agents-wg Discord channel, and the agents-wg and ext-tasks repositories in the modelcontextprotocol organization.

Related spec revisions

How was this verified, and what are the sources?

Published · last verified · confidence 1.00.

  1. modelcontextprotocol.io community page "Agents Working Group" charter - states the mission, in-scope and out-of-scope items, a leadership table naming Luca Chang (Amazon Web Services) and Caitie McCaffrey (Microsoft) both on initial terms, active work items, operations including a weekly 30-minute session and the #agents-wg Discord channel, and a changelog row reading "2026-08-04 | Initial charter" - accessed
  2. modelcontextprotocol/modelcontextprotocol pull request #3200 "docs: add Agents WG charter" - merged 2026-08-05T23:27:14Z, adding docs/community/working-groups/agents.mdx with 144 additions plus 5 lines to docs/docs.json, merged by dsp-ant - accessed

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