Deed MCP Server
A contract-first language where a function signature is a promise the compiler checks.
People who work with programming language, capability based security and compiler and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.
VERIFIED ACTIVE
LAST COMMIT 2026-08-14 · ★ 8 · #166 OF 168 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-09-18
Apache-2.0 · Rust servers · how we verify → /methodology
01 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
repo age created 2026-07-25 - young repo, little track record yet
license Apache-2.0 - declared in the repository
registry namespace io.github.deed-lang is GitHub-verified and matches the repo owner
02 · What Deed can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v0.2.13 · 2026-08-14
Programs that used to compile and no longer do · None yet. · Language · None yet. · Diagnostics · None yet. · Standard library · None yet. · Tools · Cargo packages, release archives and the VS Code extension are…
v0.2.12 · 2026-08-14
Programs that used to compile and no longer do · None yet. · Language · None yet. · Diagnostics · None yet. · Standard library · None yet. · Tools · The declared minimum Rust toolchain is now 1.88, matching the…
v0.2.11 · 2026-08-14
Programs that used to compile and no longer do · None yet. · Language · A call can be written through something other than a name. Both engines used · to refuse it, and both accepted the same value one line earlier…
03 · Who maintains Deed
Deed is maintained by deed-lang. It's the only MCP server we track from this author; the repo dates to Jul 2026.
04 · Facts
- repository
- github.com/deed-lang/deed
- category
- developer tools - ranked #166 of 168 actively-maintained developer tools servers as of 2026-09-18.
- release cadence
- 10+ releases in the last 90 days (latest 2026-08-14)
- registry
- io.github.deed-lang/deed (active, first published 2026-08-14 · 2 versions)
- packages
- cargo:deed-lang
05 · Deed FAQ
What is Deed?
A contract-first language where a function signature is a promise the compiler checks.
Is Deed still maintained?
Yes - as of 2026-09-18, its last commit was 2026-08-14 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
06 · Alternatives to Deed
Alternatives to Deed
Maintained developer tools servers if Deed isn't the fit.
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- Sem Entity-level code intelligence: semantic diff, impact analysis, blame, and context for AI agents ★ 3,352 · 2026-09-13
- Claude Code Explorer MCP Explore the Claude Code CLI source - browse tools, commands, search code, and more. ★ 3,342 · 2026-08-29
- Server for WinDbg Crash Analysis A Model Context Protocol server for Windows crash dump analysis using WinDbg/CDB ★ 1,578 · 2026-09-09
Pairs well with
Servers that cover what Deed doesn't - only shown when the pairing reason fits the companion.
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