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MCP verified MIT Self-run

Atlas

mcp-brainer-sh-atlas · by brainer-sh

Learn any codebase through conversation.

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Install

$ agentstack add mcp-brainer-sh-atlas

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

Atlas

Atlas is a Go MCP server that lets you learn the architecture of a codebase through a conversational session with any agent (Claude, OpenCode, etc.).

It indexes a local repo (Go, C, C++) via tree-sitter, stores symbols in SQLite, and exposes MCP tools to search, explore, and visualize the codebase.

Install

From source (requires Go 1.21+):

git clone https://github.com/brainer-sh/atlas
cd atlas
make install

With go install:

go install github.com/brainer.sh/atlas/cmd/atlas@latest

Quickstart

# Index a repository
atlas index /path/to/your/repo

# Start the MCP server
atlas serve

Usage

atlas index      # index a repository, creates ~/.atlas/.db
atlas reindex    # re-index modified files only
atlas list             # list all indexed repositories
atlas serve            # start the MCP server (stdio)
atlas search    # debug search without the agent
atlas --version        # print version
atlas --help           # show this help

MCP Config

Add Atlas to your agent's MCP config. Index your repos first, then start the server.

Claude Desktop (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "atlas": {
      "command": "atlas",
      "args": ["serve"]
    }
  }
}

OpenCode (~/.config/opencode/config.json):

{
  "mcp": {
    "atlas": {
      "command": "atlas",
      "args": ["serve"]
    }
  }
}

MCP Tools

| Tool | Description | |------|-------------| | index_repo | Index a repository | | reindex | Re-index modified files | | search | Full-text symbol search | | explore | Symbol details with callers/callees | | get_map | Mermaid architecture diagram | | list_repos | List indexed repositories |

Supported Languages

  • Go
  • C
  • C++

License

MIT

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.

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