v3.0.4

Arbor v3.0.4

Installation

# macOS / Linux (prebuilt binary)
curl -fsSL https://raw.githubusercontent.com/Anandb71/arbor/main/scripts/install.sh | bash -s -- --version v3.0.4

# Windows (PowerShell)
iwr https://raw.githubusercontent.com/Anandb71/arbor/main/scripts/install.ps1 -OutFile install.ps1; .\install.ps1 -Version v3.0.4

# Cargo (builds from this tag)
cargo install --git https://github.com/Anandb71/arbor --tag v3.0.4 arbor-graph-cli

# npm
npx @anandb71/arbor-cli@3.0.4

# Docker
docker pull ghcr.io/anandb71/arbor:v3.0.4

Assets

Platform	Architecture	File
Linux	x86_64	arbor-linux-x86_64.tar.gz
Linux	aarch64	arbor-linux-aarch64.tar.gz
macOS	x86_64	arbor-macos-x86_64.tar.gz
macOS	Apple Silicon	arbor-macos-aarch64.tar.gz
Windows	x86_64	arbor-windows-x86_64.zip

Verify a download

sha256sum -c SHA256SUMS --ignore-missing
# Check that an archive was built by this repository's release workflow
gh attestation verify arbor-linux-x86_64.tar.gz --repo Anandb71/arbor

What's Changed

• chore: update package manifests for v3.0.3 by @Anandb71 in #228
• ci: target the right release for MCP notes; fail crates.io on an empty token by @Anandb71 in #229
• fix(cli): explain first-run failures: no git, no repository, no write access by @Anandb71 in #230
• ci(release): build Linux against glibc 2.28 and smoke-test every binary before publishing by @Anandb71 in #243
• fix(receipt): keep git's racy-clean check when seeding the snapshot index by @Anandb71 in #246
• ci: publish npm with provenance and attest the GHCR image by @Anandb71 in #247
• fix(server): refuse WebSocket handshakes from foreign origins by @Anandb71 in #249
• test(mcp): pin one request per connection and ambiguous framing on the HTTP transport by @Anandb71 in #248
• fix(graph): re-open the graph store safely after a handle is dropped by @Anandb71 in #251
• fix(cli): keep .arbor out of git by @Anandb71 in #253
• fix(mcp): explicit version rejection, stateless HTTP negotiation, stdio parse errors by @Anandb71 in #254
• ci: exercise the installers per-OS against a local release fixture by @Anandb71 in #255
• test: versioned evaluation corpus for graph accuracy by @Anandb71 in #257
• Extension narrowing + transport-level protocol tests by @Anandb71 in #256
• fix: precise arbor diff, typed Rust receivers, quiet logs and shadowed-install checks by @Anandb71 in #259
• Release 3.0.4: precise arbor diff, typed Rust receivers, shadowed-install checks by @Anandb71 in #260

Full Changelog: v3.0.3...v3.0.4

🤖 Arbor MCP Quick Install

Use Arbor as a local MCP server in your AI client:

Claude Code (project-scoped)

claude mcp add --transport stdio --scope project arbor -- arbor bridge
claude mcp list

In Claude Code, run:

/mcp

Cursor MCP config (.cursor/mcp.json)

{
  "mcpServers": {
    "arbor": {
      "command": "arbor",
      "args": ["bridge"]
    }
  }
}

VS Code MCP config (.vscode/mcp.json)

{
  "servers": {
    "arbor": {
      "type": "stdio",
      "command": "arbor",
      "args": ["bridge"]
    }
  },
  "inputs": []
}

MCP Directories

• Glama: https://glama.ai/mcp/servers/@Anandb71/arbor
• Skills Playground: https://skillsplayground.com/mcps/nandb71-arbor/