AGENTS.md@src/toolsA

AGENTS.md@src/tools from ginlix-ai/langalpha is an AGENTS.md file: the standing instructions coding agents read in that repo.

Install it, pinned
mdr add ginlix-ai/langalpha/src/tools/AGENTS.md@git:20261013.d43e0fc

Pins git:20261013.d43e0fc in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 14 of 14 checks passed
Kind
AGENTS.md file
Repository
ginlix-ai/langalpha
Path
src/tools/AGENTS.md
Versions recorded
2
Latest version
git:20261013.d43e0fc, committed Oct 13, 2026
First version recorded
Sep 1, 2026
Size
9,834 bytes
Repository stars
2,249
License
Apache-2.0

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Agent-facing tool docstrings

A tool's docstring is not documentation. It is the tool's **prompt description**:
the model reads it at call time, before any result exists, and it is the only thing
the model knows about the tool. This file is the contract for every agent-facing
tool in the repo.

| Surface | Lives in | Read by |
|---|---|---|
| **Direct tools** | `src/tools/`, `src/ptc_agent/agent/tools/` | The model, as a LangChain tool description |
| **MCP server tools** | `plugins/*/` | The model (via `tool_summary` and the generated sandbox wrappers) **and** agent-written Python that indexes the result |

Envelope shape, published schemas, error arms and lock mechanics for the MCP surface
are in `mcp_servers/AGENT_CONTRACT.md`. This file governs the docstring itself, on
both surfaces.

## The rule

**Every sentence must change a decision the model makes at call time**: whether to
call this tool rather than another one, what to pass, or what to do with the result.
A sentence that changes none of the three is prompt cost with no return, paid on
every turn of every conversation.

## Three sections, three jobs

```
<What the tool is, and when to use it. 1-2 lines.>
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add ginlix-ai/langalpha/src/tools/AGENTS.md@sha256:c51444207872409e

The line at the top of this page pins the label git:20261013.d43e0fc, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_oet5vsx6n6blrbsr.svg)](https://markdownregistry.com/a/art_oet5vsx6n6blrbsr)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Sep 1, 2026 and Oct 13, 2026, about one every 42 days.

versioncommittedcommitsizeaudit
git:20261013.d43e0fc latest2026-10-13 d43e0fc 9,834 BA view · diff
git:20260901.8f22df92026-09-01 8f22df9 9,862 BA view

Audit of the latest version

A  14 of 14 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Size between 200 bytes and 200 KB (9834 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

ginlix-ai/langalpha · 2,249 stars · license Apache-2.0 · pushed 2026-11-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_oet5vsx6n6blrbsr
GET https://markdownregistry.com/api/v1/resolve?ref=ginlix-ai/langalpha/src/tools/AGENTS.md
GET https://markdownregistry.com/api/v1/blob/c51444207872409e1dde5e9a1041131e6442f9e07815f3ccb8fa356419eb6405

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: how to write a good AGENTS.md · AGENTS.md vs CLAUDE.md · which agent file does what.

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