Track toolkit 0.5.0 / 0.3.0 (structured output + native errors) [blocked on publish]#3
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Bump compatibility pins to agentmail-toolkit TypeScript 0.5.0 / Python 0.3.0 and document the toolkit's new contract in the agentmail-toolkit skill: every tool declares an output schema, MCP calls return validated structuredContent, and adapters signal failures through their framework's native error channel (throw / isError) instead of returning an error string. BLOCKED on the 0.5.0 / 0.3.0 npm + PyPI publish: check_compatibility.py gates on the registry 'latest', so CI stays red until those versions go live. Merge after publishing. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The blocking PR gate (validate.yml) type-checks the TypeScript examples against a hardcoded toolkit version, separate from compatibility.json. Bump it to 0.5.0 so the plugin's examples are actually validated against the new toolkit (and the throw-on-error change is exercised). This also makes the gate correctly RED until 0.5.0 is published, since installing an unpublished version 404s. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Updates the plugin to the new AgentMail Toolkit contract (TypeScript 0.5.0 / Python 0.3.0).
Changes
compatibility.json: toolkit TS 0.4.2 → 0.5.0, Python 0.2.7 → 0.3.0.skills/agentmail-toolkit/SKILL.md: the MCP tool object now includes an output schema; successful MCP calls return validatedstructuredContent+ text; failed calls throw / returnisErrorinstead of returning an error string (the one breaking behavioral change plugin authors must know). Added a "Results and errors" section, version-gated to toolkit TS ≥ 0.5.0 / Python ≥ 0.3.0.CHANGELOG.md: Unreleased entry.scripts/check_compatibility.pygatescompatibility.jsonagainst each registry'slatest. npm currently servesagentmail-toolkit@0.4.2and PyPI0.2.7, so the compatibility CI check is intentionally red until0.5.0/0.3.0are published. That gate is the verification.Merge sequence: publish
agentmail-toolkit@0.5.0(npm) +0.3.0(PyPI) → re-run CI (goes green) → mark ready → merge.Scope confirmed complete: version literals live only in
compatibility.json; README and other skills carry no toolkit version/behavior. Theagentmail-mcpskill already points at the hosted endpoint (unchanged here).🤖 Generated with Claude Code