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MCP verified MIT Self-run

AINumbers Fintech Intelligence Suite

mcp-postoaklabs-ainumbers-mcp-apps · by PostOakLabs

420+ client-side fintech tools (ISO 20022, AML, DORA, agentic payments) as MCP widgets. Zero PII.

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Install

$ agentstack add mcp-postoaklabs-ainumbers-mcp-apps

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.2.0 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 v0.2.0. “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 →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/mcp-postoaklabs-ainumbers-mcp-apps)

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

AINumbers MCP Apps Server

Live endpoint: https://mcp.ainumbers.co/mcp (streamable HTTP, no auth)

An MCP Apps (SEP-1865) server that renders AINumbers.co fintech tools as interactive widgets inside Claude, ChatGPT, M365 Copilot, VS Code, and any other MCP Apps host. Published in the Official MCP Registry as co.ainumbers/tools.

Tools

Fifteen flagship tools render as widgets — the actual single-file AINumbers tool, served as a text/html;profile=mcp-app resource, driven by the AIN Bridge (prefill → run → Policy Mandate export):

| MCP tool | AINumbers tool | |---|---| | baas_provider_comparator | T152 BaaS Provider Comparator | | validate_ap2_mcp_policy | T320 AP2 MCP Policy Validator & Bridge | | build_google_ap2_mandate | T285 Google AP2 Checkout/Payment Mandate Builder | | score_mcp_readiness | T288 MCP Developer Readiness Scorecard | | agentic_mandate_sandbox | RBE-06 Agentic Mandate Sandbox | | customer_risk_rating | T110 Customer Risk Rating Engine | | ap2_aml_mandate_builder | T131 AP2 AML Mandate Builder | | lint_mcp_tool_definition | T274 MCP Tool-Definition Linter | | validate_mcp_server_json | T275 MCP server.json Validator | | compare_agentic_payment_protocols | T276 Agentic Payments Protocol Comparator | | decode_x402_payment | T277 x402 Decoder & 402 Flow Simulator | | audit_mcp_oauth | T278 MCP OAuth 2.1 Authorization Auditor | | scan_tool_poisoning | T282 MCP Tool-Poisoning Scanner | | validate_a2a_agent_card | T283 A2A Agent Card Validator | | inspect_visa_tap_signature | T286 Visa TAP Signature Inspector |

Plus list_ainumbers_tools — catalog search across all 480+ tools, returning deep-links; prefill-enabled tools accept #in=[&run=1] for one-click invocation.

All 16 tools are read-only (readOnlyHint: true), no account, no auth, zero PII — inputs are processed transiently and never stored.

Connect it

  • Claude: Settings → Connectors → Add custom connector → https://mcp.ainumbers.co/mcp
  • Inspector: npx @modelcontextprotocol/inspector → Streamable HTTP → same URL
  • Production runs on Cloudflare Workers (/healthz reports runtime: cloudflare-workers) — no cold starts.

Develop

npm install
node generate.mjs   # re-vendor tool HTML + manifests + catalog from ../repo into ./data
npm start           # http://localhost:3300/mcp  (+ /healthz) — Node/express variant (server.mjs)
npx wrangler deploy # deploy the Cloudflare Workers variant (worker.mjs)

pilot.mjs is the single source of truth for the widget tool set. After changing any pilot tool in the AINumbers repo, run node generate.mjs, commit data/, and push; run npx wrangler deploy to update production.

Docs: ainumbers.co/mcp.html (privacy, terms, support).

All tool content is client-side, deterministic, zero PII — © Post Oak Labs, CC BY 4.0. See README-SPEC.md for architecture and history.

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.

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Versions

  • v0.2.0 Imported from the upstream source.

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