io.github.metago-ai/metago
MetaGO Agent Harness
Is the MetaGO Agent Harness MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Decision lock, anti-hallucination, meta-evolution and provenance for any MCP agent. 55 tools.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y @metago-ai/mcp-server@1.3.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- @metago-ai/mcp-server 1.3.3
- Capabilities
- prompts, tools
- Instructions
- none
- Of a 1M window
- 1.1 % of a 1M context window
- Count
- 11k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 6.8k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/metago-ai/metagolifeform
- Website
- https://metago.life
- Registry
- active, updated 2026-09-27 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.65×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| metago_coupling_calculate | 454 | 275 | 4 % |
| metago_one_shot_delivery | 384 | 233 | 3 % |
| metago_document_lookup | 353 | 214 | 3 % |
| metago_confidence_label | 348 | 211 | 3 % |
| metago_integrity_checklist | 341 | 207 | 3 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.meszarosjan/material-simulator-mcp · alive
- io.github.meszarosjan/steel-metallurgy-material-simulator-mcp · alive
- io.github.meta-taro/mmj-palette · alive
- io.github.meta-taro/zumen · alive
- MetaGO Algorithms io.github.metago-ai/metago-algorithms · alive
- io.github.metrxbots/mcp-server · alive
- App Store Operator io.github.meyusufdemirci/app-store-operator · alive
- Colter io.github.mfbahc/colter · crashed on start
Servers that mention harness.
- Bring Your AI ai.bringyour/bringyour · alive
- SignalHarness.ai ai.signalharness/mcp · server error
- Webhound ai.webhound/webhound · needs auth
- com.clauxel.clianythingharness/clianythingharness-mcp · no DNS
- com.clauxel.jcodeharness/jcodeharness-mcp · no DNS
- SuperSkill Registry com.onlyharness/registry · alive
- Santismm Knowledge — Harness Engineering, Agentic AI & Governance com.santismm/knowledge · alive
- Agent Reliability dev.agentreliability/agent-reliability · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.