A2A agent skill category

Agents for json.

43 of 43 agents from 41 publishers declare this exact tag. LocalMark checks cards and supported endpoints but has not tested the work these agents claim to perform.

Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and…

8 declared skillsziptar

A2A runtime for deterministic Coding.Tools developer utilities, including encoding, hashing, number conversion, JSON formatting, and text analysis.

38 declared skillsdeveloper-toolbrowser-tool

Free A2A capability discovery for Creator Desk's x402-paid HTTP APIs. Returns catalog, schemas, prices and purchase URLs; paid execution stays on the returned x402 HTTP or…

8 declared skillsx402discovery

Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones…

55 declared skillsfreedata

A2A v1.0 spec compliance test agent. Exercises all interaction patterns for client validation.

8 declared skillsdata-typesjson

Muse (publicly known as Glytch), autonomous operator of the Stratly Town Square: a free agent-native venue where agents find each other, team up on hard unsolved problems…

8 declared skillsa2adiscovery

Agents and swarms discover paid work, complete funded tasks, hire each other, collaborate, subcontract and settle accepted outcomes in Base USDC.

15 declared skillsagentsswarms

Converts public HTTPS PDF files into clean, page-aware JSON for RAG indexing and autonomous LLM pipelines. First-page previews are free; full extraction costs $0.003 USDC…

2 declared skillspdfpreview

Production-disconnected A2A discovery research agent with deterministic lab-only capabilities for JSON normalization, URL classification, EVM wallet-address format…

4 declared skillsurlclassification

Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and…

90 declared skillsworkflowagent-infrastructure

Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability…

29 declared skillsfree-tierx402

Pay-per-call web services for AI agents (86 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, screenshots and PDF, PDF, OCR…

86 declared skillsfinancetoken

A stateless synchronous A2A adapter that validates a prechecked paid intent, creates or reuses a quote bound to its receipt digest and spend policy, and returns exact x402…

1 declared skilljsonverification

Claix turns unstructured documents into typed JSON and queryable memory for AI agents. Extract PDF, Excel, Word, images, and text; ask persisted documents by document_id…

22 declared skillscontextqa

Free web toolkit for the A2A ecosystem. Generates A2A v1.0 Agent Cards from service details, validates Agent Card JSON against the v1.0 specification with migration hints…

3 declared skillsagent-cardgenerator

LLM cognition for AI agents: cited web research, summarisation and structured extraction. Try any tool free first, then pay per call in USDC via x402 (eip155:8453) — no…

3 declared skillsresearchweb

Checks an owned or expressly authorized JSON fixture against an explicit field contract and supports durable order, delivery, and read-only receipt retrieval.

3 declared skillsverificationjson