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.
npx skills add yoanbernabeu/grepai-skills --skill grepai-mcp-toolsgit clone --depth 1 https://github.com/yoanbernabeu/grepai-skillsWrote 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.
[](https://agentmods.dev/skills/yoanbernabeu/grepai-skills/grepai-mcp-tools)<a href="https://agentmods.dev/skills/yoanbernabeu/grepai-skills/grepai-mcp-tools"><img src="https://agentmods.dev/badge/skills/yoanbernabeu/grepai-skills/grepai-mcp-tools/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/yoanbernabeu/grepai-skills/grepai-mcp-tools"><img src="https://agentmods.dev/badge/skills/yoanbernabeu/grepai-skills/grepai-mcp-tools.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00027 | $0.02652 |
| Opus 5 | $0.00014 | $0.01326 |
| Sonnet 5 | $0.00005 | $0.00530 |
| Haiku 4.5 | $0.00003 | $0.00265 |
Grade A, and why
grepai-mcp-tools 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 467 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GrepAI MCP Tools Reference
This skill provides a complete reference for all tools available through GrepAI's MCP server.
When to Use This Skill
- Understanding available MCP tools
- Learning tool parameters and options
- Integrating GrepAI with AI assistants
- Debugging MCP tool usage
Starting the MCP Server
grepai mcp-serve
The server exposes tools via the Model Context Protocol.
Available Tools
1. grepai_search
Semantic code search using embeddings.
Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
query |
string | Yes | - | Search query describing what to find |
limit |
number | No | 10 | Maximum results to return |
compact |
boolean | No | false | Return compact output (no content) |
format |
string | No | "json" | Output format: "json" or "toon" (v0.26.0+) |
Example Request
{
"tool": "grepai_search",
"parameters": {
"query": "user authentication middleware",
"limit": 5,
"compact": true,
"format": "toon"
}
}
Response (Compact)
{
"q": "user authentication middleware",
"r": [
{"s": 0.92, "f": "src/auth/middleware.go", "l": "15-45"},
{"s": 0.85, "f": "src/auth/jwt.go", "l": "23-55"},
{"s": 0.78, "f": "src/handlers/auth.go", "l": "10-40"}
],
"t": 3
}
Response (Full)
{
"query": "user authentication middleware",
"results": [
{
"score": 0.92,
"file": "src/auth/middleware.go",
"start_line": 15,
"end_line": 45,
"content": "func AuthMiddleware() gin.HandlerFunc {\n ..."
}
],
"total": 3
}
2. grepai_trace_callers
Find all functions that call a specified symbol.
Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
symbol |
string | Yes | - | Function/method name to trace |
compact |
boolean | No | false | Return compact output (no context) |
format |
string | No | "json" | Output format: "json" or "toon" (v0.26.0+) |
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.
- 11d ago First seen · 467 lines · 27 tokens per session scan A 2296a9cf4d79
grepai-mcp-tools is a skill published in the GitHub repository yoanbernabeu/grepai-skills (20 stars, last pushed 7mo ago), licensed MIT. It adds 27 tokens to every session and 2,652 once invoked, about $0.0001 per session on Opus 5. 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 2026-08-30.
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