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crucible-local

v1.5.0

Check claims against local evidence files and get a verdict for each claim.

CodexClaude CodeAgent Plugins1 Skill1 MCP serverstdio

By Zain Dana HarperLicense: FSL-1.1-MIT3 GitHub starsUpdated 6 days ago

Directory evidence

Runtimes
Codex, Claude Code, and Agent Plugins
Parsed components
2 skill or MCP entries
Source updated
Oct 15, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install crucible-local for Codex and Claude Code

Installs for the current user
codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add crucible-local@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/HarperZ9/crucible

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is client-plugin/.

Plugin files

client-plugin/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── plugin.json
├── skills/crucible-local/SKILL.md
└── .mcp.json

Included Skills1

crucible-localskills/crucible-local/SKILL.md

Check claims against local evidence files and get a verdict for each claim.

MCP servers1

cruciblestdio
command
python3
args
-I -S -B ./server/serve.py --workspace REPLACE_WITH_ABSOLUTE_WORKSPACE
cwd
.

Plugin manifests3

client-plugin/.codex-plugin/plugin.json
{
  "name": "crucible-local",
  "version": "1.5.0",
  "description": "Check claims against local evidence files and get a verdict for each claim.",
  "author": {
    "name": "Zain Dana Harper"
  },
  "license": "FSL-1.1-MIT",
  "repository": "https://github.com/HarperZ9/crucible",
  "skills": "./skills/",
  "mcpServers": "./.codex-mcp.json"
}
client-plugin/.claude-plugin/plugin.json
{
  "name": "crucible-local",
  "displayName": "Crucible",
  "version": "1.5.0",
  "description": "Check claims against local evidence files and get a verdict for each claim.",
  "author": {
    "name": "Zain Dana Harper"
  },
  "license": "FSL-1.1-MIT",
  "keywords": [
    "verification",
    "claims",
    "evidence",
    "fact-checking",
    "measurement",
    "local-first"
  ],
  "homepage": "https://harperz9.github.io/crucible.html",
  "repository": "https://github.com/HarperZ9/crucible",
  "documentationUrl": "https://github.com/HarperZ9/crucible/blob/main/client-plugin/README.md",
  "supportUrl": "https://harperz9.github.io/plugins/crucible/support.html",
  "privacyPolicyUrl": "https://harperz9.github.io/plugins/crucible/privacy.html",
  "termsOfServiceUrl": "https://harperz9.github.io/plugins/crucible/terms.html",
  "icon": "./.claude-plugin/icon.png",
  "userConfig": {
    "workspace": {
      "type": "directory",
      "title": "Readable workspace",
      "description": "Local directory this plugin may read. Choose a folder that holds only the files you want checked.",
      "required": true
    },
    "process_consent": {
      "type": "boolean",
      "title": "Allow this measurement command",
      "description": "Optional. The approved command runs with your OS permissions, including file writes and network access. It is not sandboxed.",
      "default": false,
      "required": false
    },
    "measure_command": {
      "type": "string",
      "title": "Fixed measurement command (JSON argv)",
      "description": "Optional. JSON argv array with an absolute executable. Leave empty unless measurement command consent is on.",
      "default": "",
      "required": false
    }
  }
}
client-plugin/plugin.json
{
  "name": "crucible-local",
  "version": "1.5.0",
  "description": "Check claims against local evidence files and get a verdict for each claim.",
  "author": {
    "name": "Zain Dana Harper"
  },
  "license": "FSL-1.1-MIT",
  "repository": "https://github.com/HarperZ9/crucible",
  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json"
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[crucible-local on Agent Plugins Marketplace](https://pluginsmp.com/plugins/crucible-local)