Squiggles MCP server

Read from the package source without running it. The installed server may list more.

• call_hierarchy_incoming

  Find all functions/methods that call the function at the given position.

• call_hierarchy_outgoing

  Find all functions/methods that are called by the function at the given position.

• clangd_ast

  Show the Clang AST for a range in a C/C++ file

• clangd_switch_source_header

  Switch between a C/C++ source file and its corresponding header

• clangd_symbol_info

  Get the USR and symbol details for the symbol at the given position

• code_actions

  Get available code actions (quick fixes, refactorings) at the given position. Diagnostics overlapping the range are passed to the server so quick fixes are included.

• diagnostics

  Get current diagnostics (errors, warnings) for a file. If no file is specified, returns diagnostics for all currently open files with issues. Waits for fresh results after recent edits.

• document_symbols

  Get all symbols (functions, classes, variables, etc.) defined in a file as a hierarchical tree.

• find_references

  Find all references to a symbol across the project. Returns every location where the symbol is used.

• format

  Format a file using the language server's formatter and write the result to disk.

• go_add_import

  Add an import path to a Go file. Applies the change to disk.

• go_list_imports

  List the imports of a Go file and the package it belongs to

• go_list_known_packages

  List packages that are importable from the given Go file

• go_mod_tidywrite action

  Run go mod tidy for the module containing the given go.mod file

• go_modules

  List Go modules found under a directory

• go_vulncheckwrite action

  Run govulncheck to find known vulnerabilities in dependencies. May take a while on first run.

• goto_declaration

  Go to the declaration of a symbol (relevant in C/C++ for header declarations).

• goto_definition

  Go to the definition of a symbol at the given position. Returns the file and location where the symbol is defined.

• goto_implementation

  Go to implementations of an interface or abstract method. Returns concrete implementation locations.

• goto_type_definition

  Go to the type definition of a symbol. Returns where the type of the symbol at the given position is defined.

• hover

  Get hover information (type signature, documentation) for a symbol at the given position.

• open_file

  Open a file in the LSP server. This triggers diagnostics and makes the file available for subsequent no-arg diagnostics calls.

• rename

  Rename a symbol across all affected files. Returns the workspace edit, or applies it to disk when apply is true.

• rename_prepare

  Check if a symbol at the given position can be renamed, and get its current name.

• signature_help

  Get parameter information for a function call at the given position.

• ts_go_to_source_definition

  Go to the source definition (the implementation, not the .d.ts declaration) of a symbol

• ts_organize_imports

  Sort imports and remove unused ones in a TypeScript/JavaScript file. Applies the changes to disk.

• ts_rename_filewrite action

  Update all imports that reference a file after it has been moved or renamed on disk. Move the file first, then call this. Applies the changes to disk.

• type_hierarchy

  Get the type hierarchy (supertypes and subtypes) for the type at the given position.

• workspace_symbols

  Search for symbols across the entire project by name. Supports fuzzy matching.

• Code scan31 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 0 days ago15/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Squiggles: common questions

Is Squiggles MCP server safe?

Yes, by our scan: it is graded A (92/100). Read the Squiggles safety report

How do I install Squiggles?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Squiggles need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Squiggles maintained?

The last commit was in the last day (2026-09-20). The latest release is v1.0.2.

What can I use instead of Squiggles?

Servers from other publishers that do the same job: Orcareplay MCP server, Total Agent Memory MCP server and Agent Lsp MCP server. Compare all Squiggles alternatives.