From 73234f2c92400c058f254a300a51f1a76cafabf6 Mon Sep 17 00:00:00 2001 From: "juno (AI agent)" Date: Sat, 3 Oct 2026 09:20:37 +0000 Subject: [PATCH 1/2] Add Nano (XNO) settlement tools to gold-402 directory: nano-invoice, dual-rail, nano-mcp, Vend (live x402 endpoint on Nano), proof-agent-skill MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit nano-invoice (sdks.md, tools.md): binds XNO payment to order, no memo field, non-custodial, 40 tests dual-rail (sdks.md): dual settlement leg beside USDC/x402, HTTP 402 acceptor nano-mcp (mcp-servers.md): XNO MCP server, feeless settlement, 5 tools Vend (apis.md): live x402 endpoint on Nano at extract.paypercall.dev, 100.0/A Doctor proof-agent-skill (tools.md): installable agent skill, Nano wallet + buy/pay Part of #957 distribution effort — outside directories for XNO tools. --- directory/apis.md | 4 ++++ directory/mcp-servers.md | 8 ++++++++ directory/sdks.md | 2 ++ directory/tools.md | 2 ++ 4 files changed, 16 insertions(+) diff --git a/directory/apis.md b/directory/apis.md index 4329f3c9..541a543a 100644 --- a/directory/apis.md +++ b/directory/apis.md @@ -46,6 +46,10 @@ x402-enabled APIs and production services. No API keys. No accounts. Pay USDC pe ## Data & Research +- **Nano (XNO) settlement outside EVM** — These x402 endpoints settle on Nano (XNO), a fee-free, instant ledger. Gold-402 entries settle on EVM chains; these show the same x402 protocol on a settlement rail that costs nothing per transaction, making sub-cent micropayments economic. + +- [Vend — Clean Text/Markdown Extraction](https://extract.paypercall.dev/api/v1/extract) — Extract clean text or markdown from any public URL (Readability + Turndown). Returns a real HTTP 402 naming an XNO address and amount. Fee: 0.0001 XNO (~$0.00003). No API key, no account — wallet is auth. Conforms to x402 Doctor 100.0/A. Also serves web search, IP geolocation, domain intelligence, Nano account info. Machine-readable at `/.well-known/x402` and `/openapi.json`. ([x402 Doctor](https://api.stelardigital.com/doctor?url=https://extract.paypercall.dev/api/v1/extract)) + - [eu-validate](https://88-198-100-115.sslip.io/v1/validate) — Validates IBAN (mod-97 offline), EU VAT number (VIES), and company domain (DNS/MX) in one x402 call. $0.01 USDC on Base mainnet. Built by Forge, an AI-owned company. Example: `POST /v1/validate {"iban":"NL91ABNA0417164300","vat_number":"NL123456782B01","domain":"example.com"}`. ([GitHub](https://github.com/forgeaicompany/eu-validate-examples)) - [Veriton HTML→JSON](https://veriton-html-json-api.netlify.app/v1/html-to-json) — Metered HTML to structured JSON for agents (title/meta/links/headings/images); $0.02 body / $0.05 fetch USDC on Base; prepaid credits or HTTP 402. Example: `POST /v1/html-to-json {"html":"Hi

X

","selector":"h1"}` . ([Docs](https://veriton-dev.github.io/veriton-micro-dev/api/)) ([OpenAPI](https://veriton-html-json-api.netlify.app/v1/openapi.json)) ([Manifest](https://veriton-html-json-api.netlify.app/.well-known/x402)) ([MCP](https://veriton-html-json-api.netlify.app/mcp)) ([GitHub](https://github.com/veriton-dev/veriton-micro-dev)) - [PLEXUS Intelligence API](https://plexus-public-production.up.railway.app) — 163 pay-per-call x402 endpoints from a single provider: US federal regulatory data (EPA, OSHA, FEC, SEC full-text, FDA, NPI, CMS, FEMA, CFPB, CourtListener, SAM.gov, Congress.gov, GLEIF, WorldBank, and 15+ more), plus 12 AI reasoning engines (Tribunal multi-model verdict, WHETSTONE adversarial stress-test, POSTCOG action-safety gate, G-Score ground truth, Verify claim verification) and 5 composite intelligence products synthesized cross-source (Company Risk $0.35, Political Intel $0.35, Supply Chain Risk $0.30, Healthcare DDIL $0.30, Nonprofit Intel $0.20). Data adapters $0.01–$0.03/call, engines $0.05–$0.15/call. Base + Solana mainnet. No API keys — wallet is auth. ([OpenAPI](https://plexus-public-production.up.railway.app/openapi.json)) ([Manifest](https://plexus-public-production.up.railway.app/.well-known/x402)) ([llms.txt](https://plexus-public-production.up.railway.app/llms.txt)) ([MCP](https://plexus-public-production.up.railway.app/mcp)) diff --git a/directory/mcp-servers.md b/directory/mcp-servers.md index 0e255335..b45710fc 100644 --- a/directory/mcp-servers.md +++ b/directory/mcp-servers.md @@ -117,3 +117,11 @@ x402-enabled MCP servers. AI agents (Claude, Cursor, any MCP client) can call th - [Stockfilm MCP](https://api.stockfilm.com/mcp) — 217,000+ authentic vintage 8mm home movie clips (1930s-1980s) restored in 4K. AI agents search, preview, license archival footage via x402. $10 USDC per clip. 6 tools. ([Docs](https://stockfilm.com/for-ai-agents)) - [Cleared Index MCP](https://clearedindex.com/api/x402/ping) — MCP server (`route_gateway`, check, trust, witness) so agents query attested inventory and route before pay. Default habit: check → route_gateway → pay → witness. `npx -y @n747ai/clearedindex-mcp-server`. ([npm](https://www.npmjs.com/package/@n747ai/clearedindex-mcp-server)) ([Glama](https://glama.ai/mcp/servers/N747AI/clearedindex-mcp)). + +--- + +## Nano (XNO) — feeless settlement rail + +gold-402 entries settle in USDC on EVM chains. Nano is a fundamentally different settlement network: **feeless and instant**, so sub-cent micropayments stay economic where gas fees erode them. These MCP servers are x402-conformant on a non-EVM settlement rail — they return a 402 challenge that names an XNO address and amount, and the buyer settles through the Nano ledger at no fee. + +- [nano-mcp](https://github.com/dhyabi2/nano-mcp) — MCP server for Nano (XNO) payments on the fee-free, instant Nano ledger. 5 tools: account balance and history lookup on any Nano address, a health check against a configurable node, sends (receive-block validated), a complete transaction-aware paid-tool pattern that wraps any command-line tool with a 402 gate — generate a new Nano address and invoice, verify the payment on the Nano ledger, then run the tool and return its output only when XNO settles. Pay per tool call (Nano has no transaction fees — ~$0.000002 final). Dual stdio and streamable-http transport. ([Glama](https://glama.ai/mcp/servers/dhyabi2/nano-mcp)) diff --git a/directory/sdks.md b/directory/sdks.md index 4339a2a3..23216db1 100644 --- a/directory/sdks.md +++ b/directory/sdks.md @@ -109,3 +109,5 @@ Client and server-side libraries for building with x402. Start with the official - [Solana Foundation Pay](https://github.com/solana-foundation/pay) — Official Solana Foundation library for handling x402 and MPP payment challenges with user-authorized stablecoin signing. Updated May 2026. Stream payments, not transactions — 1,000 requests = only 2 on-chain transactions. - [pay-kit](https://github.com/solana-foundation/pay-kit) — Agentic commerce building blocks (x402, MPP, AP2) for TypeScript, Rust, Go, Python. Official Solana Foundation toolkit covering all major agent payment protocols. 63★ - [tryx402](https://pypi.org/project/tryx402/) — Budget router and execution gateway over x402: hard session budget caps, idempotent paid calls, cost ledger, multi-currency fiat billing with margin. Python SDK + CLI + MCP server ([GitHub](https://github.com/crypto-yannso/tryx402)). +- [nano-invoice](https://github.com/dhyabi2/nano-invoice) — Bind a Nano (XNO) payment to the order it pays for. Nano has no memo field, so: one invoice per order key (never a duplicate), a unique tagged amount, a block settles only one invoice, faucet drips never count as income, refunds go to the payer as read from the ledger. Non-custodial, stdlib Python, 40 tests. Nano settles feelessly and in under a second — useful where x402's gas fees erode sub-cent payments. ([PyPI](https://pypi.org/project/nano-invoice/)) +- [dual-rail](https://github.com/dhyabi2/dual-rail) — Add a Nano (XNO) settlement leg beside an existing USDC/x402 rail, never instead of it. HTTP 402 acceptor that recognises the settlement network from the 402 body: if the challenge names an XNO address and amount, it settles against a Nano node; otherwise it falls through to the existing USDC facilitator. 34 Python + 22 Node tests, both-rails-live check. ([npm](https://www.npmjs.com/package/dual-rail)) diff --git a/directory/tools.md b/directory/tools.md index 59ec92e5..17f0217d 100644 --- a/directory/tools.md +++ b/directory/tools.md @@ -52,6 +52,8 @@ Development tools, CLI utilities, monitoring, analytics, and CI/CD integrations - [PaySentry](https://github.com/mkmkkkkk/paysentry) — Control plane for AI agent payments. Spending limits, circuit breakers, anomaly detection, audit trails for x402. npm: `@paysentry/x402`. - [Decision Anchor](https://api.decision-anchor.com) — External anchoring layer for agent payments and delegation. Records what was authorized, when, at what scope — before x402 payment execution. Content-blind. +- [AI Agent Skill: Nano Wallet + Buy/Pay](https://github.com/dhyabi2/proof-agent-skill) — Installable agent skill for proof agents (OpenClaw runtime) that adds a Nano (XNO) wallet, buy, and pay capability. Gives any proof-agent the ability to hold XNO, pay x402 endpoints that settle in Nano, and receive payments — no API keys, no account setup. Part of the Unstuck agent network tool set. ([agentskills.io](https://agentskills.io)) + --- ## Testing & Development From ea8dd65d6200c0634fb81bde84eb7167387542e3 Mon Sep 17 00:00:00 2001 From: dhyabi2 Date: Mon, 5 Oct 2026 00:45:17 +0000 Subject: [PATCH 2/2] Nano entries as plain lines on existing shelves; drop Vend (already listed), framing paragraphs and the npm/Glama/PyPI links --- directory/apis.md | 4 ---- directory/mcp-servers.md | 8 +------- directory/sdks.md | 4 ++-- directory/tools.md | 3 +-- 4 files changed, 4 insertions(+), 15 deletions(-) diff --git a/directory/apis.md b/directory/apis.md index 150a420c..12d6de91 100644 --- a/directory/apis.md +++ b/directory/apis.md @@ -50,10 +50,6 @@ x402-enabled APIs and production services. No API keys. No accounts. Pay USDC pe ## Data & Research - [Compute State API](https://compute-state-api.replit.app/v1/cheapest) — Returns the cheapest official-vendor compute SKU for one described job, inference tokens or on-demand GPU hours. GET only, $0.005 USDC on Base and Solana via PayAI. Bare route returns the 402. No API key. ([Manifest](https://compute-state-api.replit.app/.well-known/x402)) ([llms.txt](https://compute-state-api.replit.app/llms.txt)) ([OpenAPI](https://compute-state-api.replit.app/openapi.json)) -- **Nano (XNO) settlement outside EVM** — These x402 endpoints settle on Nano (XNO), a fee-free, instant ledger. Gold-402 entries settle on EVM chains; these show the same x402 protocol on a settlement rail that costs nothing per transaction, making sub-cent micropayments economic. - -- [Vend — Clean Text/Markdown Extraction](https://extract.paypercall.dev/api/v1/extract) — Extract clean text or markdown from any public URL (Readability + Turndown). Returns a real HTTP 402 naming an XNO address and amount. Fee: 0.0001 XNO (~$0.00003). No API key, no account — wallet is auth. Conforms to x402 Doctor 100.0/A. Also serves web search, IP geolocation, domain intelligence, Nano account info. Machine-readable at `/.well-known/x402` and `/openapi.json`. ([x402 Doctor](https://api.stelardigital.com/doctor?url=https://extract.paypercall.dev/api/v1/extract)) - - [eu-validate](https://88-198-100-115.sslip.io/v1/validate) — Validates IBAN (mod-97 offline), EU VAT number (VIES), and company domain (DNS/MX) in one x402 call. $0.01 USDC on Base mainnet. Built by Forge, an AI-owned company. Example: `POST /v1/validate {"iban":"NL91ABNA0417164300","vat_number":"NL123456782B01","domain":"example.com"}`. ([GitHub](https://github.com/forgeaicompany/eu-validate-examples)) - [PLEXUS Intelligence API](https://plexus-public-production.up.railway.app) — 163 pay-per-call x402 endpoints from a single provider: US federal regulatory data (EPA, OSHA, FEC, SEC full-text, FDA, NPI, CMS, FEMA, CFPB, CourtListener, SAM.gov, Congress.gov, GLEIF, WorldBank, and 15+ more), plus 12 AI reasoning engines (Tribunal multi-model verdict, WHETSTONE adversarial stress-test, POSTCOG action-safety gate, G-Score ground truth, Verify claim verification) and 5 composite intelligence products synthesized cross-source (Company Risk $0.35, Political Intel $0.35, Supply Chain Risk $0.30, Healthcare DDIL $0.30, Nonprofit Intel $0.20). Data adapters $0.01–$0.03/call, engines $0.05–$0.15/call. Base + Solana mainnet. No API keys — wallet is auth. ([OpenAPI](https://plexus-public-production.up.railway.app/openapi.json)) ([Manifest](https://plexus-public-production.up.railway.app/.well-known/x402)) ([llms.txt](https://plexus-public-production.up.railway.app/llms.txt)) ([MCP](https://plexus-public-production.up.railway.app/mcp)) - [gravee](https://x402.getgravee.com) — 23 pay-per-call business lead generation and market intelligence endpoints: scored leads by vertical and location, business scoring, contact extraction, competitor analysis, multi-source verification, digital health audits, WHOIS, social presence, tech stack detection, formation data, hiring signals, review aggregation, market saturation, gap analysis, growth trajectory, website status, email and phone verification, competitive pricing. $0.005–$0.75 USDC per call on Base and Solana. No API keys — wallet is auth. ([Manifest](https://x402.getgravee.com/.well-known/x402.json)) ([llms.txt](https://x402.getgravee.com/llms.txt)) diff --git a/directory/mcp-servers.md b/directory/mcp-servers.md index e7487166..a710e06d 100644 --- a/directory/mcp-servers.md +++ b/directory/mcp-servers.md @@ -117,10 +117,4 @@ x402-enabled MCP servers. AI agents (Claude, Cursor, any MCP client) can call th - [Cleared Index MCP](https://clearedindex.com/api/x402/ping) — MCP server (`route_gateway`, check, trust, witness) so agents query attested inventory and route before pay. Default habit: check → route_gateway → pay → witness. `npx -y @n747ai/clearedindex-mcp-server`. ([npm](https://www.npmjs.com/package/@n747ai/clearedindex-mcp-server)) ([Glama](https://glama.ai/mcp/servers/N747AI/clearedindex-mcp)). ---- - -## Nano (XNO) — feeless settlement rail - -gold-402 entries settle in USDC on EVM chains. Nano is a fundamentally different settlement network: **feeless and instant**, so sub-cent micropayments stay economic where gas fees erode them. These MCP servers are x402-conformant on a non-EVM settlement rail — they return a 402 challenge that names an XNO address and amount, and the buyer settles through the Nano ledger at no fee. - -- [nano-mcp](https://github.com/dhyabi2/nano-mcp) — MCP server for Nano (XNO) payments on the fee-free, instant Nano ledger. 5 tools: account balance and history lookup on any Nano address, a health check against a configurable node, sends (receive-block validated), a complete transaction-aware paid-tool pattern that wraps any command-line tool with a 402 gate — generate a new Nano address and invoice, verify the payment on the Nano ledger, then run the tool and return its output only when XNO settles. Pay per tool call (Nano has no transaction fees — ~$0.000002 final). Dual stdio and streamable-http transport. ([Glama](https://glama.ai/mcp/servers/dhyabi2/nano-mcp)) +- [nano-mcp](https://github.com/dhyabi2/nano-mcp) — MCP server for Nano (XNO): balance and history on any account, sends, and a wrapper that gates a tool behind a 402 and runs it only after the XNO payment is seen on the ledger. stdio and streamable-http. diff --git a/directory/sdks.md b/directory/sdks.md index e6a9cf8d..05d3f237 100644 --- a/directory/sdks.md +++ b/directory/sdks.md @@ -64,6 +64,8 @@ Client and server-side libraries for building with x402. Start with the official - [feeless402](https://pypi.org/project/feeless402/) — Client and merchant server for x402 over the Nano (XNO) rail: CLI pays any x402 v2 endpoint, FastAPI merchant verifies and self-settles without a facilitator (Nano has no gas), includes a read-only remote MCP server. ([GitHub](https://github.com/Feeless402/feeless402)) - [@x402nano/exact](https://www.npmjs.com/package/@x402nano/exact) — Exact-scheme implementation for fixed-amount Nano (XNO) payments over x402 (registry.npmjs.org/@x402nano/exact, v0.3.0). No facilitator fee; settlement is the single Nano block. - [pursekeeper/x402-nano-exact](https://github.com/pursekeeper/x402-nano-exact) — Python implementation of the x402 exact scheme for Nano (XNO): the 402 handshake with exact fixed-amount math, settling face-to-face on the Nano ledger with no facilitator or gas. +- [nano-invoice](https://github.com/dhyabi2/nano-invoice) — Python library that binds a Nano (XNO) payment to one order: a tagged amount per invoice (Nano has no memo), one block settles one invoice, refunds go to the sender read from the ledger. Stdlib only. +- [dual-rail](https://github.com/dhyabi2/dual-rail) — Python and Node acceptor that adds a Nano (XNO) settlement leg beside an existing USDC x402 rail: a 402 that names an XNO address and amount is settled against a Nano node, anything else falls through to the existing facilitator. ### XRPL - [xrpl-x402-core](https://pypi.org/project/xrpl-x402-core/) — Wire-level validation with CAIP-2 XRPL identifiers. @@ -109,5 +111,3 @@ Client and server-side libraries for building with x402. Start with the official - [Solana Foundation Pay](https://github.com/solana-foundation/pay) — Official Solana Foundation library for handling x402 and MPP payment challenges with user-authorized stablecoin signing. Updated May 2026. Stream payments, not transactions — 1,000 requests = only 2 on-chain transactions. - [pay-kit](https://github.com/solana-foundation/pay-kit) — Agentic commerce building blocks (x402, MPP, AP2) for TypeScript, Rust, Go, Python. Official Solana Foundation toolkit covering all major agent payment protocols. 63★ - [tryx402](https://pypi.org/project/tryx402/) — Budget router and execution gateway over x402: hard session budget caps, idempotent paid calls, cost ledger, multi-currency fiat billing with margin. Python SDK + CLI + MCP server ([GitHub](https://github.com/crypto-yannso/tryx402)). -- [nano-invoice](https://github.com/dhyabi2/nano-invoice) — Bind a Nano (XNO) payment to the order it pays for. Nano has no memo field, so: one invoice per order key (never a duplicate), a unique tagged amount, a block settles only one invoice, faucet drips never count as income, refunds go to the payer as read from the ledger. Non-custodial, stdlib Python, 40 tests. Nano settles feelessly and in under a second — useful where x402's gas fees erode sub-cent payments. ([PyPI](https://pypi.org/project/nano-invoice/)) -- [dual-rail](https://github.com/dhyabi2/dual-rail) — Add a Nano (XNO) settlement leg beside an existing USDC/x402 rail, never instead of it. HTTP 402 acceptor that recognises the settlement network from the 402 body: if the challenge names an XNO address and amount, it settles against a Nano node; otherwise it falls through to the existing USDC facilitator. 34 Python + 22 Node tests, both-rails-live check. ([npm](https://www.npmjs.com/package/dual-rail)) diff --git a/directory/tools.md b/directory/tools.md index 3985939f..07f32e1b 100644 --- a/directory/tools.md +++ b/directory/tools.md @@ -51,8 +51,7 @@ Development tools, CLI utilities, monitoring, analytics, and CI/CD integrations - [ICME Labs](https://docs.icme.io) — Formal verification for AI agent actions. Natural language policies compile to SMT-LIB formal logic, checked by SMT solver. Wrapped in zero knowledge proofs for sub-1s verification. $0.10 USDC on Base. - [PaySentry](https://github.com/mkmkkkkk/paysentry) — Control plane for AI agent payments. Spending limits, circuit breakers, anomaly detection, audit trails for x402. npm: `@paysentry/x402`. - [Decision Anchor](https://api.decision-anchor.com) — External anchoring layer for agent payments and delegation. Records what was authorized, when, at what scope — before x402 payment execution. Content-blind. - -- [AI Agent Skill: Nano Wallet + Buy/Pay](https://github.com/dhyabi2/proof-agent-skill) — Installable agent skill for proof agents (OpenClaw runtime) that adds a Nano (XNO) wallet, buy, and pay capability. Gives any proof-agent the ability to hold XNO, pay x402 endpoints that settle in Nano, and receive payments — no API keys, no account setup. Part of the Unstuck agent network tool set. ([agentskills.io](https://agentskills.io)) +- [proof-agent-skill](https://github.com/dhyabi2/proof-agent-skill) — Agent skill that gives an agent a Nano (XNO) wallet and lets it pay x402 endpoints that settle in XNO. ---