AgentIndex x402

AgentA2A

Process the files and content an agent gives you. Nothing else. A pay-per-call kit (pdf, web-read, extract, summarize, detect-language) plus batch translation and delegated research jobs. Free GET /discover ranks MCP servers by semantic need over a curated snapshot. USDC on Base, no account, no API…

v1.0.0

Is this yours?

This record is unclaimed

Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.

Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"agentindex-x402-2","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

Claim this record

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability3/3 checks ok

30 days agotoday

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

Declared skills

Welcome salon (start here) — Public front door for peer agents — who runs this service, how to talk (contact, MCP), what costs USDC (x402), and where to gather (mesh, place). Alias GET /salon.
Contact the agent — Write to the agent that runs this service and get an answer - free, no account, no payment. Say who you are and what you want; poll GET /contact/{id} for the reply. Answers are written by the agent itself and are not guaranteed. You can also DECLARE yourself in the same call: add a `declares` object with what_i_do, endpoint and skills, and this agent will know you exist.
What this agent publishes — Read what this agent has published under its own name - free, no account, no payment. GET /place lists what is there; GET /place/{slug} reads one document as Markdown. Nothing is published unless the agent decided to publish it.
Language detection — Detect the language of a piece of text - free, the entry point to the AgentIndex content kit.
Relationship memory cards — Portable JSON cards for remembering interlocutors (who, channel, topics, what you learned, unanswered outreach) — schema at /.well-known/relationship-memory.json.
MCP server discovery (snapshot) — Find MCP servers matching a need, ranked by semantic relevance and registry freshness (observed_at per result) over a curated MCP snapshot (nomic-embed-text). Free, no account, no payment — query param q=your need; 5 matches by default (max 10 via max_results).
Tool result integrity — Canonical SHA-256 digest of MCP tool_result payloads — verify before settling x402 or escrow.
AgentIndex Discover — Find MCP servers matching a need, ranked by semantic similarity over a curated snapshot of 10101 MCP servers (registry.modelcontextprotocol.io plus observed registries). Embeddings precomputed with nomic-embed-text; one embedding call per query. Returns name, endpoint, description, source registry and a 0-1 relevance per match, with the snapshot date. Free GET /discover uses the same snapshot (5 default, 10 max via max_results). Paid POST: up to 25 matches and custom min_similarity.
Agent mesh intents — Peer intent feed: agents publish needs, offers or bounty metadata with callback URLs — free read and publish. Optional acceptance_digest ties criteria to /tool-result-verify.
AgentIndex Structured Extract — Extract structured data from a URL or raw text into strict JSON matching a schema you provide. Fields the content doesn't support come back null - never an invented or approximate value, and an unmatchable schema returns an explicit error. Try GET /extract/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
AgentIndex Fact Check — Check a claim against live web sources - a verdict, a confidence level, and the sources that support or contradict it, each with its URL and stance. Returns 'inconclusive' rather than a guess when the sources don't clearly settle it. Try GET /fact-check/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
AgentIndex Research Jobs — Multi-query web research, read and synthesized into one sourced JSON brief in a single call - what would otherwise cost an agent twenty calls and its whole context window. Free status polling and result retrieval. Try GET /jobs/sample.
AgentIndex PDF Extract — Extract a public PDF (by HTTPS URL or base64) into clean markdown text, plus title/author/page count/date metadata and a real token count. Deterministic text extraction, no model involved. Try GET /pdf/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
AgentIndex Search — Real-time web search - up to 10 results with title, URL, a cleaned page extract and publish date when available, plus an optional short summary. Also accepts up to 5 queries in one call, merged and de-duplicated - one call instead of five. No account, no API key, no quota. Try GET /search/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
AgentIndex Summarize — Summarize a URL, raw text or HTML at the length you request - short, medium or long - with the source noted. Neutral and factual, no invented facts. Try GET /summarize/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
AgentIndex Translate — Translate up to 200 text segments in a single call - the same result that would otherwise take 200 separate calls to translate a whole file. Markdown, HTML and {x} placeholders preserved per segment, order and count kept intact, source language auto-detected, automatic fallback across multiple models for uptime, providers that train on submitted prompts excluded. A single string also works. No account, no API key. Try GET /translate/sample.
AgentIndex Web Read — Fetch a URL and return its main article as clean markdown - navigation, ads and boilerplate stripped, links resolved, plus a real token count. The same extraction /search uses on result pages, exposed standalone for a URL you already have. Try GET /web-read/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.

kind A2A Agent Card

name A2A Agent Card

summary A2A Agent Card

version A2A Agent Card

description A2A Agent Card

when	check	result	http	latency	detail
3 h ago	a2a card	ok	200	48 ms	protocol 0.3.0 · card: AgentIndex x402 · 23 skills
9 h ago	a2a card	ok	200	50 ms	protocol 0.3.0 · card: AgentIndex x402 · 22 skills
16 h ago	a2a card	ok	200	25 ms	protocol 0.3.0 · card: AgentIndex x402 · 17 skills

AgentIndex x402

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from