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[External Plugin]: beacon

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
72/100
Issue type
Feature
Clarity
Clearly specified
Activity status
Active
Tech stack
github
Domain
tooling

Research direction

Start with the submitted repository's agent-skills/ directory, including plugin.json, skills/, and mcp.json, at commit 4324b0b63630e5a297ac53870c85359daf705624. Run or inspect validateExternalPlugin under the publicSubmission policy and confirm the plugin metadata, immutable reference, and marketplace installation details pass with no errors or warnings.

Written by the indexing model from the issue text.

Description

external-plugin needs-review:MEDIUM ready-for-review
Plugin name

beacon

Short description

Cross-harness memory from Beacon traces: recall reviewed project lessons, distill agent sessions into approved memory, and promote memory to Agent Skills.

GitHub repository

asymptote-labs/agent-beacon

Plugin path inside the repository

agent-skills

Ref to review

No response

Commit SHA to review

4324b0b63630e5a297ac53870c85359daf705624

Version

0.1.0

License identifier

MIT

Author name

Asymptote Labs

Author URL

https://beacon.sh

Homepage URL

https://docs.beacon.sh/concepts/beacon-skills

Keywords

memory
traces
observability
agent-skills
beacon
mcp

Additional notes for reviewers

Beacon is an open-source, local-first telemetry agent that records what coding agents do across Copilot CLI, VS Code, Claude Code, Cursor, Codex, and 20+ other harnesses. This plugin turns that history into reviewed project memory:

  • beacon-memory-recall: before a task, retrieves lessons the team already approved for the current repository.
  • beacon-memory-distill: reviews selected sessions, drafts a lesson grounded in the source trace, and saves it only after the user confirms.
  • beacon-memory-promote: installs an approved lesson as a project Agent Skill.

The plugin root (agent-skills/) carries an Agent Plugins 1.0 plugin.json, skills/, and an mcp.json that registers the local beacon mcp serve server (stdio, read-only memory tools). The skills and MCP server need the open-source Beacon CLI on PATH; without it the skills tell the user how to install it and continue without memory. Recall and promote make no network calls; the one optional networked step (trace evaluation in distill) runs only after a dry run and explicit user consent.

The entry passes validateExternalPlugin under the publicSubmission policy with no errors or warnings. Copilot CLI can already install it directly: copilot plugin marketplace add asymptote-labs/agent-beacon, then copilot plugin install beacon@beacon

Submission checklist
  • The plugin lives in a public GitHub repository.
  • The ref and/or sha I provided is immutable (release tag and/or full 40-character commit SHA), not a branch.
  • This submission follows this repository's contribution, security, and responsible AI policies.
  • This plugin is not already listed in the Awesome Copilot marketplace.
Dominant language
JavaScript
Stars
39.2k
Forks
5k
Avg merge
1d 17h
Merged PRs (30d)
106

Getting set up

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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