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MCP server · Blockchain

Signer

by · github.com/d-hinders/Haven-AI

Haven edge signer — holds the agent's delegate key locally and signs payment hashes + x402 headers. Pairs with the hosted, keyless @haven_ai/mcp-server; the key never leaves the machine.

Unclaimed havenmcpsignernon-custodialx402402ai-agentagent-paymentsusdc
InstallView source
37Low

Scored a month ago · breakdown

About Signer

Signer is an MCP server published by d-hinders in the Blockchain category: haven edge signer — holds the agent's delegate key locally and signs payment hashes + x402 headers. Pairs with the hosted, keyless @haven_ai/mcp-server; the key never leaves the machine.

Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add signer -- npx -y @haven_ai/signer
npx
npx -y @haven_ai/signer

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

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Releases

prod-20261009-071729Production promotion — prod-20261009-071729 · 9 Oct 2026What's Changed docs(release): 0.8.1-alpha.0 CASP record — what actually promoted by @d-hinders in https://github.com/d-hinders/Haven-AI/pull/3715 docs: re-verify the SDK playbook, architecture index and loop-harness index (#3645) by…
prod-20261007-063519Production promotion — prod-20261007-063519 · 7 Oct 2026What's Changed fix(vercel): first previews fetch dev from the public repo URL and deepen once by @d-hinders in https://github.com/d-hinders/Haven-AI/pull/3652 docs(release): 0.8.0-alpha.0 CASP record — what actually promoted by @d-hinders…
prod-20261005-134810Production promotion — prod-20261005-134810 · 5 Oct 2026What's Changed perf(backend): one shared (chainId, address) balance-read cache for /balances and the portfolio by @PhilipEriksson in https://github.com/d-hinders/Haven-AI/pull/3481 fix(backend,sdk,mcp): record an eip3009 merchant…
prod-20260929-133010Production promotion — prod-20260929-133010 · 29 Sep 2026What's Changed docs(release): 0.6.0-alpha.0 CASP record — what actually promoted by @d-hinders in https://github.com/d-hinders/Haven-AI/pull/3390 fix(passport): bounded UID-repair sweep, proven-ours anchor reader on recovery/repair,…
prod-20260926-183939Production promotion — prod-20260926-183939 · 26 Sep 2026What's Changed fix(backend): record the mined Attested UID, never the staticCall prediction by @PhilipEriksson in https://github.com/d-hinders/Haven-AI/pull/3327 fix(accounts): funding endpoint serves last-known balances with…
Questions

About Signer

How do I install Signer?

Run claude mcp add signer -- npx -y @haven_ai/signer, then add the server to your MCP client's configuration.

Is Signer safe to use with an AI agent?

Its trust score is 37 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Signer still maintained?

Yes — the latest release is prod-20261009-071729 (9 Oct 2026), and the last commit was 13 days ago. The repository has 0 stars.