smithery.ai

eng-plugin-authoring

Build external autocodex plugins with manifest + JSON-RPC.

First seen Apr 30, 2026

Installation

$ npx skills add https://smithery.ai

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
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Gemini CLI Not declared
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Skill metadata

Parsed from SKILL.md frontmatter.

Version0.2.0

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,042 B
  • docs SUMMARY.md 86 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 1 installs

SKILL.md

Plugin Authoring

Repo anchors (autocodex)

  • PLUGINS_PATH: plugins/
  • DOCS_PATH: docs/plugins/README.md

When to use

  • Creating or updating an autocodex plugin.

Preconditions

  • You know the capability inputs/outputs.

Inputs to confirm

  • Capability name and schemas
  • Transport (jsonrpc for v1)

Required artifacts

  • plugin.yaml manifest
  • Executable plugin binary/script
  • Example invocation

Quick path

  • Write manifest.
  • Implement handshake and JSON-RPC loop.
  • Add a sample invocation.

Steps

  1. Define capability input/output schema.
  2. Implement handshake and request loop.
  3. Add usage docs.

Failure modes and responses

  • Handshake missing: plugin will fail to load.
  • Capability mismatch: host rejects the request.

Definition of done

  • Plugin loads and responds to a capability call.

Example (minimal)

  • Capability: summarize with {text:string} input.