MCP server for full-text search of code declarations across multiple programming languages using ctags and SQLite FTS5.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.
Manual Client & Custom JSON ConfigExpand JSON ▾
No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for osinmv/funciton-lookup-mcp, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.
Overview
Use cases
Search for function or class declarations by name
List indexed API files and their source paths
Retrieve all functions defined in a specific source file
Generate or update ctags indexes from source directories
Key features
Full-text search of code declarations using SQLite FTS5
Supports all languages compatible with universal ctags
Indexing respects .gitignore to exclude unwanted files
Functions to search, list APIs, and list functions by file
Ability to generate ctags indexes dynamically from source
Capabilities & Tool Schemas
Inspect callable tools, capabilities, and parameters exposed to AI agents by Funciton Lookup MCP.
Extracted Tool Capabilities
Full-text search of code declarations using SQLite FTS5
Supports all languages compatible with universal ctags
Indexing respects .gitignore to exclude unwanted files
Functions to search, list APIs, and list functions by file
Ability to generate ctags indexes dynamically from source
Documentation Overview
Code Declaration Lookup MCP Server
An MCP server that provides full text search for code declarations. Uses SQLite with FTS5 and universal ctags to index and search functions, classes, structures, enums, and other code elements. Supports all languages that ctags supports including Python, C, Go, C++, JavaScript, Rust, Java, and many others.
Requirements
- Python 3.13
- Universal Ctags 6.2.0
- SQLite with FTS5 support (included in Python 3.13)
Installation
Extending the Index
Just ask your coding agent to index your header folder. The indexing process respects your project's .gitignore file to avoid indexing unwanted files. Alternatively, you can generate ctags files manually using universal ctags:
Or drop existing ctags files into the apis/ folder and restart the MCP server to update the index.
MCP functions
search_declarations(name: str, offset: int = 0, limit: int = 10) - Search for code declarations by name
list_indexed_apis() - List all indexed API files
list_api_files(api_name: str, offset: int = 0, limit: int = 100) - List all unique file paths for a specific API
list_functions_by_file(file_path: str, offset: int = 0, limit: int = 100) - List all functions found in a specific file
generate_ctags(include_directory: str) - Generate ctags from source files and add to index
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
GitHub stars
4
Stargazers on the source repository.
Last commit
10mo ago
Most recent push to the default branch.
Directory activity
1 views
Config copies, upvotes, and views on AllMCPs.
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Frequently Asked Questions about Funciton Lookup MCP
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CategoryOther Tools and Integrations
27Quality signal: Emerging · 27/100How this signal is calculated ▾
Server availabilityNot measured
Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.
Verified ownership10/20
Documentation & tools9/30
Adoption & activity1/15
Community engagement0/10
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