# Code Declaration Lookup MCP Server

> Use this tool when you need to quickly locate specific code declarations across multiple programming languages. It solves problems of tedious manual searching and navigation, enabling efficient lookup of functions, classes, and other code elements. The tool takes in search queries as input and outputs relevant code declarations, making it ideal for developers working on large-scale projects or maintaining complex codebases.

Canonical page: https://skillsregistry.net/skills/osinmv-function-lookup-mcp  
JSON: https://api.skillsregistry.net/v1/skills/osinmv-function-lookup-mcp

## Description

Enables full-text search for code declarations across multiple languages using SQLite FTS5 and universal ctags, allowing users to search for functions, classes, and other code elements.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/l2904gau9a)
- **Repository:** <https://github.com/osinmv/function-lookup-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "osinmv-function-lookup-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/osinmv-function-lookup-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/osinmv-function-lookup-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt