A skill your agent uses when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative…

Apache-2.0Auto-check passedTesting & QA

Install Forkmind

skills CLI
$ npx skills add ccplugins/awesome-claude-code-plugins --skill forkmind -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install ccplugins/awesome-claude-code-plugins forkmind --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/ccplugins/awesome-claude-code-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/forkmind/skills/forkmind .claude/skills/forkmind && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
forkmind
GitHub stars
968
Token cost
~868 tokens
SKILL.md length
376 words
Files
1
Skills in repo
66
Repo updated
First seen
Licence
Apache-2.0

At a glance

A skill your agent uses when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative…

  • Regression-testing LLM / agent calls — when the user wants to capture LLM traffic
  • SKILL.md covers When to reach for it, Run it, Core moves and MCP for agents, plus 2 more sections
  • Calls npx and ollama
  • See a conversation as a branchable DAG

What it does

Forkmind is an agent skill from ccplugins/awesome-claude-code-plugins. Use when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative prompt or model from a past turn, or pin good outputs as baselines to catch drift. ForkMind is local-first (no cloud, no account) and proxies any OpenAI-compatible API, defaulting to free Ollama models. Trigger: "debug this prompt", "compare two models", "branch from that turn", "why did the LLM change its answer", "regression test my…

Its SKILL.md is about 870 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Testing & QA, covering LLM inference and serving, QA and bug reports and Debugging. It works with OpenAI, Ollama and Model Context Protocol. The repository describes itself as: Awesome Claude Code plugins — a curated list of slash commands, subagents, MCP servers, and hooks for Claude Code. The licence is Apache-2.0.

When your agent uses it

  • Regression-testing LLM / agent calls — when the user wants to capture LLM traffic
  • See a conversation as a branchable DAG
  • Fork an alternative prompt
  • Model from a past turn

Example prompts

  • “debug this prompt”
  • “compare two models”
  • “branch from that turn”
  • “/forkmind”

Requirements

  • Node.js

What it can do on your machine

Read from SKILL.md and the folder at commit 5bd4f16. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npx
    • ollama

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • ollama.com
    • github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Forkmind loads about 868 tokens when it runs. Until then it costs about 141 tokens; SKILL.md has 376 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~141
When it runs · the whole SKILL.md, loaded when a task matches
~868

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from ccplugins/awesome-claude-code-plugins at commit 5bd4f16, republished under its Apache-2.0 licence (© ccplugins). 376 words, ~868 tokens.

Download SKILL.mdSave it as .claude/skills/forkmind/SKILL.md (or your agent's skills folder).
name
forkmind
description
Use when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative prompt or model from a past turn, or pin good outputs as baselines to catch drift. ForkMind is local-first (no cloud, no account) and proxies any OpenAI-compatible API, defaulting to free Ollama models. Trigger: "debug this prompt", "compare two models", "branch from that turn", "why did the LLM change its answer", "regression test my prompt", "capture LLM calls", "forkmind".

ForkMind

ForkMind treats AI context windows like a Git repo. It runs a local proxy that records every LLM call into .forkmind/ as a node in a DAG, serves a dashboard, and lets you branch alternative prompts/models from any historical turn.

When to reach for it

SituationWhy ForkMind
"This prompt sometimes regresses — catch it"Pin baselines, re-run, diff drift
"Compare llama3 vs gpt-4o on the same turn"Fork the node, swap model, re-run
"Why did the agent change its answer?"Inspect the DAG: request/response, tokens, lineage
"Capture all LLM traffic during this task"Point client at the proxy; everything is logged
Agent needs to recall its own past attemptsForkMind MCP server exposes the history

Do NOT use for: production traffic logging at scale, hosted/cloud observability, or non-LLM HTTP debugging.

Run it

ForkMind runs straight from the git link — no npm registry needed:

bash
# starts proxy + dashboard on :4500
npx github:medhovarsh/forkmind start

Then point any OpenAI-compatible client at the proxy:

  • baseURL: http://localhost:4500/v1
  • dashboard: http://localhost:4500

Free local default: install Ollama, ollama pull llama3. Any provider works (OpenAI, Anthropic, Groq, OpenRouter, Together, vLLM, LM Studio) by passing that provider's base URL + key through the proxy.

Core moves

  • Capture — route calls through :4500/v1; each call becomes a DAG node.
  • Branch — in the dashboard, "Fork from here" on any node → edit prompt / swap model / change params → re-run only that subtree.
  • Inspect — node inspector shows request, response, tokens, provenance, and whether the response was streamed.
  • Regression test — pin a known-good output as a baseline; re-run after a prompt tweak; ForkMind flags drift (wire into CI).
Show full SKILL.md (124 more words)Show less

MCP for agents

Installed as the Claude Code plugin, ForkMind's MCP server is wired up automatically (forkmind server, launched via npx … forkmind mcp). An agent can query its own history mid-task — recall previous attempts, trace lineage, self-correct. No manual config needed.

Outside the plugin, add it to any MCP client by hand:

json
{
  "mcpServers": {
    "forkmind": { "command": "npx", "args": ["-y", "github:medhovarsh/forkmind", "mcp"] }
  }
}

Delegating heavy compares

For "compare model X vs Y" or "why did the answer change" tasks that would dump big transcripts into context, spawn the forkmind-debugger subagent. It runs the comparison in isolation and returns a compact verdict (winner, diff, drift), not raw logs.

Notes

© ccplugins, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in plugins/forkmind/skills/forkmind of ccplugins/awesome-claude-code-plugins.

Open the folder on GitHubat commit 5bd4f16

Compare with similar skills

Forkmind next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Forkmind compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Forkmind this skillccplugins/awesome-claude-code-plugins968—~868Automated safety check: PassApache-2.0
Perfupraullenchai/Rapid-MLX3.9k—~1.6kAutomated safety check: NotesCustom licence
Agent Frameworkjihadkhawaja/Egroo178—~1.9kAutomated safety check: PassApache-2.0
Mesh APImr-tbot/mesh-api180—~1.8kAutomated safety check: PassGPL-3.0
Facturasgustavoeenriquez/MakerAi212—~127Automated safety check: PassMIT
Banknoskillish/bankmcp276—~1.1kAutomated safety check: PassMIT

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Questions about Forkmind

What does Forkmind do?

A skill your agent uses when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative…. Forkmind is an agent skill from ccplugins/awesome-claude-code-plugins. Use when debugging, comparing, or regression-testing LLM / agent calls — when the user wants to capture LLM traffic, see a conversation as a branchable DAG, fork an alternative prompt or model from a past turn, or pin good outputs as baselines to catch drift.

When should I use Forkmind?

Forkmind fits situations like: regression-testing LLM / agent calls — when the user wants to capture LLM traffic; see a conversation as a branchable DAG; fork an alternative prompt; model from a past turn.

How do I install Forkmind in Claude Code?

Run `npx skills add ccplugins/awesome-claude-code-plugins --skill forkmind -a claude-code`. Or copy the skill folder (plugins/forkmind/skills/forkmind in ccplugins/awesome-claude-code-plugins) into .claude/skills/forkmind in your project. Claude Code loads it when a task matches its description.

How do I install Forkmind in Codex?

Run `npx skills add ccplugins/awesome-claude-code-plugins --skill forkmind -a codex`. Or copy the skill folder (plugins/forkmind/skills/forkmind in ccplugins/awesome-claude-code-plugins) into .agents/skills/forkmind in your project. Codex loads it when a task matches its description.

Can I use Forkmind in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add ccplugins/awesome-claude-code-plugins --skill forkmind -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/forkmind, .gemini/skills/forkmind, .github/skills/forkmind and .opencode/skills/forkmind in your project.

What does Forkmind need to run?

Going by SKILL.md and its folder, Forkmind needs the command-line tools its instructions call (npx and ollama). Our summary lists: Node.js.

Does Forkmind access the network?

SKILL.md names 2 domains. As links in the text: ollama.com and github.com. This is read from the text; nothing was executed.

Is Forkmind safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Forkmind use?

Forkmind is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Forkmind use?

About 868 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Forkmind?

Skills that share tags, products or a category with Forkmind: Perfup (raullenchai/Rapid-MLX, 3.9k stars), Agent Framework (jihadkhawaja/Egroo, 178 stars), Mesh API (mr-tbot/mesh-api, 180 stars) and Facturas (gustavoeenriquez/MakerAi, 212 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Forkmind?

ccplugins (a GitHub organization) maintains it in ccplugins/awesome-claude-code-plugins, which has 968 GitHub stars. The repository holds 66 skills in this directory. The repository was last updated on August 12, 2026.

Source: ccplugins/awesome-claude-code-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.