Insumer MCP Server
Read-first blockchain verification. ECDSA-signed booleans across 37 chains. 27 tools. It runs locally over stdio via the published package.
People who work with insumer, merchant and discount and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-09-25 · ★ 2 · #200 OF 998 MAINTAINED OTHER · VERIFIED 2026-09-30
MIT · TypeScript servers · how we verify → /methodology
01 · Install Insumer
before you install - you'll need
Set INSUMER_API_KEY, INSUMER_PAYMENT_KEY before connecting.
Claude Code
claude mcp add insumerapi-mcp-server-insumer -- npx -y mcp-server-insumerClaude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"insumerapi-mcp-server-insumer": {
"command": "npx",
"args": [
"-y",
"mcp-server-insumer"
]
}
}
}Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · 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.
runs as local process (stdio) - runs on your machine with your user's permissions
license MIT - declared in the repository
npm package mcp-server-insumer - unscoped; check the name against the project README before installing
registry registry publisher io.github.douglasborthwick-crypto is not the repo owner (insumerapi) - the registry entry was published by someone else
03 · What Insumer can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
What you can build
With this server connected, an agent can generate a free API key instantly. Takes an email, returns an insr_live_... key with 10 credits. No credit card required, list available EAS compliance templates (Coinbase Verifications on Base, Gitcoin Passport on Optimism). Free, create signed discount code (INSR-XXXXX, 30-min expiry) for a wallet at a merchant. 1 merchant credit, and browse the merchant directory. Filter by token, verification status.
Capability map
Tools grouped from the project's README - what Insumer lets an agent do.
Insumer
25 tools - e.g. Generate a free API key instantly. Takes an email, returns an insr_live_... key with 10 credits. No credit card required.; Get the JWKS: five entries over two keys. The ECDSA P-256 key under…
insumer_setup · insumer_jwks · insumer_attest · insumer_compliance_templates · insumer_wallet_trust · insumer_batch_wallet_trust…
auth & access
2 tools - e.g. List all registered tokens and NFTs. Filter by chain, symbol, type.; Set token discount tiers.
insumer_list_tokens · insumer_configure_tokens
Latest releases
v1.1.0 · 2026-02-27
mcp-server-insumer v1.1.0 · 19 tools for InsumerAPI - privacy-preserving on-chain verification across 31 EVM blockchains. · Tools · attest (boolean token/NFT verification, optional Merkle proofs) · Wallet Trust…
04 · Who maintains Insumer
insumer is maintained by insumerapi. It's the only MCP server we track from this author; the repo dates to Feb 2026.
05 · Facts
- repository
- github.com/insumerapi/mcp-server-insumer
- category
- other - ranked #200 of 998 actively-maintained other servers as of 2026-09-30.
- registry
- io.github.douglasborthwick-crypto/insumer (active, first published 2026-02-23 · 15 versions)
- packages
- npm:mcp-server-insumer
06 · Insumer FAQ
Is Insumer still maintained?
Yes - as of 2026-09-30, its last commit was 2026-09-25. We re-verify nightly.
What can Insumer do?
With this server connected, an agent can generate a free API key instantly. Takes an email, returns an insr_live_... key with 10 credits. No credit card required, list available EAS compliance templates (Coinbase Verifications on Base, Gitcoin Passport on Optimism). Free, create signed discount code (INSR-XXXXX, 30-min expiry) for a wallet at a merchant. 1 merchant credit, and browse the merchant directory. Filter by token, verification status.
How do I install Insumer?
Run `npx -y mcp-server-insumer`. The README documents 2 environment variables (INSUMER_API_KEY, INSUMER_PAYMENT_KEY) to set first. Set INSUMER_API_KEY, INSUMER_PAYMENT_KEY before connecting. You can also paste the ready-made client config above.
Does Insumer run locally?
Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.
07 · Alternatives to Insumer
Alternatives to Insumer
Maintained other servers if Insumer isn't the fit.
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