myelixlabs/synapse-mcp
by Various
Free, 100% local MCP server. Turns your codebase into an AST knowledge graph so AI coding agents (Claude, Cursor, Copilot) get exact caller trees, semantic search, and safe writes
MCP
myelixlabs/synapse-mcp
Added 8 Sept 2026
Overview
Free and fully local MCP server that converts a codebase into an AST knowledge graph. AI coding agents like Claude, Cursor, and Copilot use it to get exact caller trees, semantic search, and safe writes. The vendor claims 60% fewer tokens and zero data egress.
Best for
Best for
Privacy-conscious developers wanting a local knowledge graph for AI coding agents
Use cases
- Giving agents exact caller trees for refactoring tasks
- Running semantic search over a local codebase
- Performing safe writes without sending data to external servers
Notes
Free and fully local MCP server that converts a codebase into an AST knowledge graph. AI coding agents like Claude, Cursor, and Copilot use it to get exact caller trees, semantic search, and safe writes. The vendor claims 60% fewer tokens and zero data egress.
1 stars on GitHub. Last updated 2026-09-02. Licensed MIT.
Use cases
- Giving agents exact caller trees for refactoring tasks
- Running semantic search over a local codebase
- Performing safe writes without sending data to external servers
Pros
- Free and runs 100% locally
- Zero data egress keeps source code private
- Claims to reduce token usage by 60%
Cons
- Only 1 star at time of writing, indicating very early adoption
- Vendor listed as ‘Various’, so official support is unclear
- Token reduction claims are not independently verified
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Free and runs 100% locally
- Zero data egress keeps source code private
- Claims to reduce token usage by 60%
Cons
- Only 1 star at time of writing, indicating very early adoption
- Vendor listed as 'Various', so official support is unclear
- Token reduction claims are not independently verified
Open-source & AI alternatives
Swap-in tools that solve the same job. Weigh the trade-offs before you commit.
oraios/serena
Various
A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent
repowise-dev/repowise
Various
Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.
Pairs with
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