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Posecode MCP server

by posecode-dev·io.github.posecode-dev/posecode-mcp·v0.5.0·126 stars
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Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link.

A91/100grade A
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Safety scan
A91/100

full report

Adoption
Growing

126 stars69 downloads/wk

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Posecode tools (3)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • posecode_authoring_guide

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

  • render_posecode

    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.

  • validate_posecode

    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.

Public scan report

scanner v0.1.10 · 2026-10-29 · same rubric, same numbers if you re-run it

no findings
  • Code scan12 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 4 days ago15/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 91/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Posecode compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
91/100
higher than 85% of 48,243 servers
Tools
3
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
126
more than 95% of 28,706 servers
Downloads a week
69
more than 52% of 12,306 servers with a package

What its tools let an agent do: 3 read

Install Posecode in Claude Code, Cursor or VS Code

Runs npx -y posecode-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add posecode-mcp -- npx -y posecode-mcp
Add to Cursor

What the publisher says

From the Posecode repository's README, as published. We do not edit it. Read it on GitHub

Posecode

Kinematic motion as text. An inspectable, editable movement format for animation tools, LLMs, and web products.

Like Mermaid for movement: small text documents for describing, validating, and rendering deterministic human motion without hiding the source inside a black box.

Live Playground · Movement Library · Language Specification · Examples · MCP Server

Why Posecode?

Animation clips and generated trajectories can show movement, but they often hide the semantic decisions that produced it.

Posecode keeps those decisions in readable source. A human can write the document, an animation tool can emit it, or an LLM can draft it. Parsing, validation, editing, and rendering do not require an AI model.

One .posecode document — shoulders: abduct 160, hips: abduct 30, repeat 12 — rendered live in the browser.

For example:

Bend your knees, move your hips backward, and keep your chest upright.

A human may understand that instruction, but a renderer cannot reliably determine:

  • which joints should move,
  • by how many degrees,
  • in which coordinate frame,
  • over what duration,
  • in what sequence,
  • or within which physical limits.

Humans, tools, and language models all need a shared syntax for expressing movement in a renderable and testable form.

Posecode provides that missing representation.

See Posecode in 28 seconds

From readable movement source to validated 3D rendering, MCP tools, and a one-script web embed.

▶ Watch the 28-second builder demo Plain text in. Smooth, programmable 3D motion out.

Movement examples

pelvis: hinge — deadlift knees: flex 95 — squat shoulders: abduct 90 — lateral raise

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Posecode: common questions

Is Posecode MCP server safe?
Yes, by our scan: it is graded A (91/100). Read the Posecode safety report
How do I install Posecode?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Posecode need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is Posecode maintained?
The last commit was 10 days ago (2026-10-26). The latest release is v0.5.0.
What can I use instead of Posecode?
Servers from other publishers that do the same job: Semiotic MCP server.
How does Posecode compare with other MCP servers?
safety score 91/100 (higher than 85% of 48,243 servers); tools 3 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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