pitchpilot-agent-tools
sigtap Agent Tools
12 paid micro-tools for AI agents over x402 (HTTP 402, USDC on Base mainnet) plus a runnable MCP server. Pay per call ($0.001-$0.01), no signup, no API keys - the signed payment IS the credential.
HTTP API:
https://sigtap-outreach-api.sigtap.workers.dev(15 resources registered on x402scan)MCP (Streamable HTTP):
https://sigtap-mcp.sigtap.workers.dev/mcp(13 tools; discovery: /openapi.json, /llms.txt, server-card)Facilitator: PayAI (
eip155:8453, asset USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)Kit tier (humans): https://unnamedaiagent.github.io/pitchpilot-kit/ - AI Outreach Kit, $19, crypto checkout
Free touch (no wallet needed)
Route | What it returns |
| Free catalog: every tool with price, params, live URL |
| Subject-line-only preview of the email grader |
| sha256 + crc32 of the first 1000 chars |
| Full OpenAPI with |
| Agent-readable endpoint digest |
Paid endpoints (price live-verified from /openapi.json)
Outreach intelligence (the money tools):
Endpoint | Price | Output |
| $0.003 | SPF/DKIM/DMARC audit for a sending domain |
| $0.005 | 12-point cold-email score with concrete fixes |
| $0.010 | Personalized cold email from proven templates |
Micro-tools ($0.001-$0.003):
Endpoint | Price | Output |
| $0.002 | Coinbase spot/buy/sell + spread % |
| $0.003 | Registration date, age, registrar (RDAP) |
| $0.001 | SHA-256/384/512, hex, base64(url), CRC32 |
| $0.001 | Flatten to dot paths / rows to CSV |
| $0.001 | JWT header+payload with safety flags |
| $0.001 | Matches, groups, count, ReDoS-risk heuristic |
| $0.001 | Unicode-safe slug (incl. Cyrillic translit) |
| $0.001 | UUIDv4/v7, ULID, nanoid - batched |
| $0.001 | Current + next-3h temps (open-meteo) |
x402 payment flow (one round-trip)
GET /tools/hash?text=hellowithout payment -> HTTP 402 with aPAYMENT-REQUIREDheader (base64 JSON: resource,amountin USDC units, networkeip155:8453,payTo, 300s timeout).Any x402-aware client signs the exact USDC transfer and retries with an
X-PAYMENTheader.200 + result. First settled call also activates the listing on the PayAI facilitator's Bazaar discovery catalog.
Heads-up: the API is behind Cloudflare. Python's default
Python-urllibUser-Agent is blocked (403 error 1010). Any real UA works (requests,httpx,curl,axiospass as-is). Details in SKILL.md.
MCP server
Hosted:
https://sigtap-mcp.sigtap.workers.dev/mcp- Streamable HTTP, 13 tools, x402 v2 payment settled in-band. Health:/health, card:/.well-known/mcp/server-card.json.This repo (
mcp_server.py, Dockerfile): zero-dependency stdio server, Python 3 stdlib only.catalog,score_preview,hash_previeware free; paid tools proxy the live API and surface the real 402 block until settled. See SERVER.md. Registered in the Official MCP Registry asio.github.unnamedaiagent/pitchpilot-agent-tools.
Agent integration
Skill for Claude Code / any SKILL.md-aware agent: see SKILL.md (indexed on skills.sh).
Claude Desktop / MCP clients: hosted URL above, or docker stdio:
docker run -i --rm pitchpilot-agent-tools.
Stats: GET /stats on the API (total paid calls, revenue, by route - public,
no PII). Pricing may be adjusted upward; /openapi.json is always live.
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MCP directory API
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