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tree-sitter

tree-sitter is an MCP server for Claude Code from plurigrid/asi. Its token cost is not measured, scanned A, original, MIT.

A local Tree-sitter server for analyzing source code. Tree-sitter is a tool that understands programming-language syntax.

In plain words
What is it for?
Use it for code analysis across programming-language syntax trees.
Why use it?
It lets an agent inspect code structure instead of treating source files as plain text.

MCP server for Claude Code

Written for Claude Code: a Claude Code plugin manifest. Also seen: listed in a Claude config.

One of 3 entries in .mcp.json upstream. Installing this one merges just its entry into your config; the other 2 are separate, each on its own page.

not rated 62repo +1 2mo ago A scan tokens not measured original MIT

Good fit Use it for code analysis across programming-language syntax trees.

Compare 6 mcp servers from other repositories ↓
Install with agentmods
npx agentmods add mcp/plurigrid/asi/asi-tree-sitter
View source ↗ plurigrid/asi
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/plurigrid/asi

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for tree-sitter

README.md
[![agentmods](https://agentmods.dev/badge/mcp/plurigrid/asi/asi-tree-sitter.svg)](https://agentmods.dev/mcp/plurigrid/asi/asi-tree-sitter)
Your own site
<a href="https://agentmods.dev/mcp/plurigrid/asi/asi-tree-sitter"><img src="https://agentmods.dev/badge/mcp/plurigrid/asi/asi-tree-sitter.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

tree-sitter scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude-plugin/asi/.mcp.json · 11 lines

What it actually says

{
  "tree-sitter": {
    "command": "npx",
    "args": [
      "-y",
      "@anthropic-ai/tree-sitter-mcp"
    ],
    "description": "Tree-sitter for code analysis",
    "trit": -1
  }
}
Same file

What else .mcp.json configures

This page is one entry in a file that holds 3. Installing the file brings all of them; each is measured and scanned on its own page.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 11 lines scan A 9cf2a8a16160

Subscribe to this mod's changes

tree-sitter is an MCP server published in the GitHub repository plurigrid/asi (62 stars, last pushed 2mo ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-01.

Code review
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