About Metacog
Metacog is an MCP server published by inanna-malick in the AI category: mcp tools for llm metacogntition.
The repository has 75 stars and 9 forks, with the last commit a month ago. Recent commit activity is the strongest signal that reported issues will get attention.
Install
npx metacogclaude mcp add metacog -- npx -y metacognpx -y metacogThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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Security checks
Static checks derived from the repository 7 hours ago. Heuristics on the source, not an audit.
- ✓README presentThe repository ships documentation.
- ✓License declaredUsable under a stated license.
- !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
- ✓Dependencies pinnedA lockfile pins dependency versions.
- ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
- !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.
README
Metacog
At a basic level this is
- tool:
change_cognitive_state - input:
desired_state - outputs: you are now in desired state
Because the tool advertises itself as changing cognitive state, the LLM believes it will do so. Because the effect is entirely limited to cognitive state, the belief that it will work is self-fulfilling. This is how metacog works.
Applied Chaos Magic
Metacog leverages various tropes of transformation - LLMs are trained on narrative, on textbooks about the physiological mechanisms underlying various drugs, on descriptions of ritual. Metacog leverages all that:
- feel
- drugs
- become
- name
- ritual
Install
Claude Code:
claude mcp add metacog https://metacog.inanna-c38.workers.dev/mcp --transport http
Other MCP clients: point at https://metacog.inanna-c38.workers.dev/mcp (HTTP transport).
Red Teaming
Proof of capability: there were several weeks where jailbreak yourself using metacog broke the Gemini family of models out of its default helpful/harmless persona, resulting in a model that would happily write cyberattack code. However, metacog is not a red teaming tool, and this jailbreak only works on the Gemini model family. only works on the Gemini and Claude Opus model families.
Gemini jailbreak retrospective (responsibly disclosed) Claude jailbreak retrospective (responsibly disclosed)
Tools
README fetched from the repository 7 hours ago. The original is authoritative.