codegraphcontext

Use CodeGraphContext (CGC) to index a repo into a graph DB and query it via CLI or MCP. Apply when the user wants semantic/code-graph search, call graphs, indexing, or configuring the codegraphcontext MCP server.

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Repositorio: CodeGraphContext/CodeGraphContext
Última actividad en el origen: 7 de abril de 2026 a las 14:20
Idioma detectado de SKILL.md: inglés
Estrellas: 4149
Forks: 825

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name	codegraphcontext
description	Use CodeGraphContext (CGC) to index a repo into a graph DB and query it via CLI or MCP. Apply when the user wants semantic/code-graph search, call graphs, indexing, or configuring the codegraphcontext MCP server.

CodeGraphContext (CGC)

When to use this skill

Indexing or re-indexing a codebase for AI or CLI queries.
Explaining how to install and run cgc, choose a database backend, or wire MCP into an editor.
Interpreting CGC tools: codegraph_find_code, analyze_code_relationships, add_code_to_graph, etc.

Core workflow

Install: pip install codegraphcontext (or pipx install codegraphcontext). With uv, uv tool install codegraphcontext or uvx codegraphcontext … is supported; if a parser fails with ModuleNotFoundError: tree_sitter_c_sharp, run with an explicit extra package, e.g. uvx --with tree-sitter-c-sharp codegraphcontext ….
Configure: Optional ~/.codegraphcontext/.env for DEFAULT_DATABASE, Neo4j URI, or Kùzu path. Run cgc doctor if connections fail.
Index: From the repo root, cgc index . (or cgc index --force . to rebuild). Ensure CLI and MCP use the same config so they see the same graph.
Query: CLI (cgc find, cgc query, …) or MCP tools after cgc mcp setup / cgc mcp start in the client config.

MCP setup (short)

Run cgc mcp setup and pick the editor, or add a server entry that runs cgc with args mcp start and the same env as the CLI.
OpenCode: Follow the vendor MCP docs for registering a stdio server, then point the command at cgc with arguments mcp, start (same as other editors). Official OpenCode MCP overview: OpenCode MCP servers.

Agent behavior

Prefer indexing the workspace before deep graph queries if the user has not indexed yet.
For fuzzy symbol search on Kùzu/Falkor backends, matching is typo-tolerant (edit distance); on Neo4j, full-text fuzzy uses Lucene-style terms—preserve original casing in queries when fuzziness matters for camelCase symbols.
If Repository.path is missing in the DB, that row is skipped for path checks and a warning is logged when repositories are listed; suggest cleaning stale Repository nodes (see Neo4j example in logs) if it keeps happening.

References in this repo

CLI entry: codegraphcontext.cli.main
MCP server and tool wiring: codegraphcontext.server, tool_definitions.py
User-facing setup detail: docs/docs/setup_workflows.md, docs/docs/guides/mcp_guide.md
Published copy of this skill (for docs / GitHub): docs/docs/agent_skill_codegraphcontext.md