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Asdecided Core

mcp-asdecided-core · by asdecided

Native deterministic requirements-as-code engine and read-only MCP server.

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Install

$ agentstack add mcp-asdecided-core

✓ 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.

View the full security report →

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Reliability & compatibility

Security review passed
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Declared compatibility

Claude CodeClaude DesktopCursorWindsurf

Compatibility is declared by the source manifest. End-to-end runtime verification is coming — see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps — measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

AsDecided

Engineering decisions your agents can follow. Build, as decided.

AsDecided keeps requirements, decisions, designs, roadmaps, and prompts as typed Markdown in your repository. Its native Rust engine validates that knowledge, retrieves relevant decisions deterministically, and serves it read-only to agents over MCP.

No embeddings, model call, hosted index, or Python runtime is required. The same repository state produces the same answer.

Install

Install the native engine and MCP server through Homebrew:

brew install asdecided/tap/asdecided-core

Native decided and decided-mcp archives are also published on GitHub Releases.

rac-core is no longer distributed through PyPI. Python API consumers should use asdecided/sdk, which is a client SDK rather than a second engine implementation.

Start a repository

decided quickstart
decided validate decisions/
decided gate decisions/

New repositories use:

.decided/config.yaml
decisions/

Existing artifact IDs such as RAC-ABC123DEF456 are durable identities and do not change with the product name.

Migrate an existing repository

Migration is explicit and never runs during an ordinary command:

decided migrate layout . --dry-run
decided migrate layout .

The migration moves .rac/ to .decided/ and rac/ to decisions/. It refuses to overwrite either destination.

MCP

{
  "mcpServers": {
    "asdecided": {
      "command": "decided-mcp",
      "args": ["--root", "."]
    }
  }
}

Architecture

Rust is the product engine and the only CLI/MCP runtime in this repository. The authoritative language-neutral compatibility fixtures live in asdecided-spec. Live-corpus validation is based on validity, determinism, freshness, and cache/no-cache equality.

Document ingestion remains an ancillary Python connector rather than part of the core engine. The retired Python engine is preserved for historical review at the immutable python-engine-final tag; it is not maintained or run in normal CI.

License

Apache-2.0. See [LICENSE](LICENSE) and [NOTICE](NOTICE).

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.