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io.github.posecode-dev/posecode-mcp

NPM · POSECODE-MCP · SCANNED SEP 20

Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link.

Available components

0 this week 95 Trust /100
Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →

Supply Chain Security98
  • No malware found by supply-chain analysis.Pass
  • No known CVEs affecting this package version or its production dependencies.Pass
  • No install/post-install scripts declared.Pass
  • 31 of 97 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency100
  • Source repository is publicly reachable at the declared URL. View diagnostics → Pass
  • Cryptographically verified build provenance (signed, bound to posecode-dev/posecode). View diagnostics → Pass
  • Clear OSI-approved license (AGPL-3.0-only).Pass
  • Actively maintained (last published 19 days ago).Pass
  • Publishes a security disclosure policy (SECURITY.md).Pass
Schema Quality & AI Usability86
  • AI-judged instruction clarity (excellent).Pass
  • Tool/resource definitions use about 169 tokens (~56/item across 3 items; 3 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management90
  • Stability observed for 27 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Tool Safety100
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • We read all 3 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
  • An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Install

How do I install the io.github.posecode-dev/posecode-mcp server?

io.github.posecode-dev/posecode-mcp runs locally as an npm package, launched with npx -y posecode-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

npm · posecode-mcp

# add to Claude Code
claude mcp add posecode-dev-posecode-mcp -- npx -y posecode-mcp
// .cursor/mcp.json
{
  "mcpServers": {
    "posecode-dev-posecode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ]
    }
  }
}
// .vscode/mcp.json
{
  "servers": {
    "posecode-dev-posecode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ]
    }
  }
}
# add to Codex CLI
codex mcp add posecode-dev-posecode-mcp -- npx -y posecode-mcp
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "posecode-dev-posecode-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "posecode-mcp"
      ],
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add posecode-dev-posecode-mcp --command npx --arg -y --arg posecode-mcp
# ~/.hermes/config.yaml
mcp_servers:
  posecode-dev-posecode-mcp:
    command: "npx"
    args: ["-y", "posecode-mcp"]
// ~/.netclaw/config/netclaw.json
{
  "McpServers": {
    "posecode-dev-posecode-mcp": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "posecode-mcp"
      ]
    }
  }
}
# add to Vellum
assistant mcp add posecode-dev-posecode-mcp -t stdio -c npx -a -y posecode-mcp
// mcp.json
{
  "mcpServers": {
    "posecode-dev-posecode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ]
    }
  }
}
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 18 Sept 26 +2
    • Security disclosure: unverified → pass functional
  • 17 Sept 26 −4
    • Security disclosure: pass → unverified functional
    • Stability: pass → 0.80 functional
  • 16 Sept 26 +1
    • Stability: 0.97 → pass security
  • 15 Sept 26 +1
    • Security disclosure: unverified → pass functional
  • 14 Sept 26 0
    • Security disclosure: pass → unverified functional
  • 11 Sept 26 −2
    • Stability: pass → 0.83 functional
  • 10 Sept 26 +1
    • Stability: 0.97 → pass security
  • 8 Sept 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 20 Sept 2026 · Analysed npm/posecode-mcp@0.5.0

Provenance Verified

A signed build attestation was found and verified, binding this exact artifact to the source repository it claims to come from.

Result Verified
Ecosystem npm
Reason Verified
Discovered via Registry attestation endpoint
Source repo posecode-dev/posecode
Certificate issuer https://token.actions.githubusercontent.com
Certificate SAN https://github.com/posecode-dev/posecode/.github/workflows/release.yml@refs/heads/main
Rekor log index 2668175760
Predicate type https://slsa.dev/provenance/v1
Subject digest sha512:8a32dc459c6f81a3a1e2da76884c7cf6179a041826c8d04c9360a7a02a5143c289a5c1ff43815152f3d767473e77b3e323246f537cf9b27b09ae6dca5

Background: How many MCP packages publish verified provenance →

Dependencies 97 packages
Packages resolved 97
Stale 31
Tree resolution Complete

Background: SBOMs and build attestations, explained →

MCP tools · 3 exposed · ~169 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
posecode_authoring_guide ~43

Return the guide that teaches the Posecode (.posecode) language: grammar, joints, actions, and an example. Read this before writing a movement.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

render_posecode ~60

Validate a .posecode document and return a permalink that animates it as a 3D figure in the Posecode playground. Give the link to the user to view the movement.

NameTypeReqDescription
sourcestringyesThe full .posecode document text

No output schema declared.

No examples provided.

validate_posecode ~66

Parse a .posecode document and return any errors plus configured range-of-motion (ROM) clamps. Use this to check the source before showing it to a user; a clean result is not a clinical safety assessment.

NameTypeReqDescription
sourcestringyesThe full .posecode document text

No output schema declared.

No examples provided.

Common questions

What is the io.github.posecode-dev/posecode-mcp server?

io.github.posecode-dev/posecode-mcp is listed in the public MCP registry as io.github.posecode-dev/posecode-mcp. Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link. This page covers its npm package (posecode-mcp).

Is the io.github.posecode-dev/posecode-mcp server safe to use?

io.github.posecode-dev/posecode-mcp scores 95 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 20 September 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the io.github.posecode-dev/posecode-mcp server expose?

io.github.posecode-dev/posecode-mcp exposes 3 tools: posecode_authoring_guide, validate_posecode, render_posecode. Their descriptions and schemas cost roughly 169 tokens of context every time the server is loaded.

Is the io.github.posecode-dev/posecode-mcp server still maintained?

io.github.posecode-dev/posecode-mcp is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

What licence is the io.github.posecode-dev/posecode-mcp server under?

io.github.posecode-dev/posecode-mcp declares the AGPL-3.0-only licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.