claude-code-ultimate-guide/docs/resource-evaluations/080-goose-block-coding-agent.md
Florian BRUNIAUX 44818a3f04 release: v3.37.1 - threat-db v2.8.0, CC releases v2.1.78, 19 skills update, doc fixes
- threat-db v2.8.0: GhostClaw campaign, Fake OpenClaw Installer, CVE-2026-24910 (Bun),
  T017 Shadow MCP, T018 AI Search Poisoning, Jozu Agent Guard, MCP Sentinel
- Claude Code releases tracked to v2.1.78 (StopFailure hook, plugin state, security fixes)
- 19 skill descriptions improved (PR #9 selective merge, @popey/Tessl)
- MCP vs CLI token overhead corrected (lazy loading, 85% reduction benchmark)
- Agent Adoption Curve self-assessment (7-level maturity scale, Martignole framework)
- ctx7 CLI section §5.5 + resource evals #079 #080 #081

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-18 15:49:01 +01:00

6.1 KiB

Resource Evaluation #080 — Goose (Block): Open-Source AI Coding Agent

Source: block.github.io/goose / github.com/block/goose Type: Open source tool (Apache 2.0) — on-machine AI coding agent Author: Block (formerly Square) — maintained by Block's engineering team Evaluated: 2026-03-17 Maturity at evaluation: Launched officially January 2025, 33,166 stars, 3,058 forks


Summary

  • On-machine AI coding agent: local-first CLI + desktop app, not cloud. Automates complex engineering tasks end-to-end
  • Model-agnostic: works with Claude (recommended for tool calling), GPT-4o, Gemini, Groq, local models (Ollama) — 20+ providers
  • Recipes: versionable, shareable, parameterized multi-step workflows. Distinct from "rules files" — recipes define what agents do, not how they behave
  • Subagent orchestration: spawn specialized agents autonomously or via sub-recipes, with dynamic model switching per task/cost
  • 1,700+ MCP servers supported (first open source agent to support MCP, January 2025)
  • Goose Grant Program: Block funds developers building Goose extensions (launched July 2025)
  • Custom Distributions: teams can build branded Goose distros with preconfigured providers, extensions, and branding
  • Backed by Block (Square, Cash App) — institutional engineering resources, not a solo project

Status in the Guide

Already documented: guide/ecosystem/ai-ecosystem.md §11.1 "Goose: Open-Source Alternative (Block)"

The entry exists and is structurally sound. The issue is outdated data and two missing feature callouts.


Relevance Score

Score Meaning
5 Essential — Major gap in the guide
4 Very relevant — Significant improvement needed
3 Pertinent — Useful complement
2 Marginal — Secondary information
1 Out of scope — Not relevant

Final score: 4/5 (Update existing entry)

Justification: Goose is already documented. Score reflects the importance of keeping the entry current — at 33k stars (2x what the guide says), Goose is clearly not a niche alternative. The missing Recipes and subagent orchestration paragraphs are also directly relevant to a guide that extensively documents Claude Code's equivalent patterns (skills, slash commands, multi-agent).


What Needs Updating in §11.1

1. Stats (outdated)

Field Current guide (Jan 2026) Actual (Mar 2026)
GitHub Stars 15,400+ 33,166
MCP servers 3,000+ (table) vs 1,700+ (inconsistency) 1,700+ (per Goose docs)
Releases 100+ ~175+ (estimated, fast release cadence)

Fix: Update the metrics table and resolve the 3,000 vs 1,700 MCP inconsistency.

2. Recipes — missing

Recipes are Goose's equivalent of Claude Code slash commands + skills combined. They are:

  • Versionable, shareable as standalone workflows
  • Importable via deeplinks
  • Parameterized (reusable across contexts)
  • Can be shared across teams

This is directly relevant to a guide section that extensively documents commands and skills. One paragraph with a cross-reference to §3 (commands) and §4 (skills) is warranted.

3. Subagent orchestration — missing

Goose's July 2025 roadmap introduced subagent orchestration: spawn specialized sub-agents (Planner, Architect, Frontend Dev, Backend Dev) with dynamic model switching per agent. Example from Berkeley Agentic AI Summit: 7 agents collaboratively built a full-stack app in under an hour.

This overlaps with Claude Code's own multi-agent patterns (§9). A one-paragraph callout with a comparison to Claude Code's Agent tool would help readers understand the architectural difference (Claude Code: single agent + Tool spawning vs Goose: recipe-defined multi-agent subflows).

4. agentskills.io — verify live status

The "Skill Portability" paragraph references agentskills.io. Verified live (2026-03-17). No change needed.


Challenge (technical-writer agent)

Score confirmed: 4/5 (update pass)

Key points:

  • 15.4k → 33k stars: 2x undercount signals the section hasn't been maintained. Trust erosion, not just a metric miss.
  • MCP discrepancy (3,000 vs 1,700): one of these is wrong. Fix before any update goes live.
  • Recipes and subagents absent: closest Goose analogy to Claude Code's skills + multi-agent. Should be documented.
  • Risk of not updating: low urgency for readers, moderate for guide credibility as a current reference.
  • Scope: 30-minute update pass, not a restructure.

Fact-Check

Claim Verified Source
33,166 GitHub stars Verified GitHub API (2026-03-17)
3,058 forks Verified GitHub API
Apache 2.0 license Verified GitHub API + README
Rust (primary language) Verified GitHub API (language: "Rust")
Created August 2024, launched Jan 2025 Verified GitHub API + "1 Year of goose" discussion (Jan 2026)
First open source agent to support MCP Claimed "1 Year of goose" GitHub discussion
1,700+ MCP servers Per Perplexity (sourced from Goose docs) Cross-check recommended
Claude 3.5 Sonnet recommended for tool calling Claimed Perplexity search citing Goose docs
Goose Grant Program (July 2025) Verified block.xyz/inside/introducing-the-goose-grant-program
agentskills.io live Verified HTTP fetch (2026-03-17)
Dynamic model switching per subagent Claimed GitHub roadmap discussion #3319

MCP server count discrepancy: Guide says 3,000+ (comparison table), Perplexity reports 1,700+ from Goose docs. Need to check Goose documentation directly before updating. Use the more conservative figure if unsure.


Final Decision

  • Final score: 4/5
  • Action: Update existing guide/ecosystem/ai-ecosystem.md §11.1 — stats refresh + Recipes paragraph + subagent orchestration paragraph
  • Confidence: High on stats, medium on MCP server count (needs direct doc check)
  • Priority: Medium — not urgent, but a 2x star count delta is worth fixing promptly