Co-Legal Public Assistant (A2A Agent)

Agent2Agent 1.0 surface of Co-Legal's public legal/fiscal assistant. The agent card at https://agent.co-legal.be/.well-known/agent-card.json (version 1.27.9, JWS ES256-signed, verified against /.well-known/jwks.json) declares one JSONRPC interface at https://agent.co-legal.be/a2a/jsonrpc, streaming, an extended card, four extensions (per-skill JSON Schema 2020-12 input schemas, provider metadata with the KVK registration, model disclosure — claude-opus-5 via Google Cloud Vertex AI, EU — and an MCP discovery pointer) and 17 read-only skills covering Belgian and Dutch statute, case-law and company lookups, VAT and IBAN validation, Flemish inheritance-tax brackets, ECB rates, public legal-corpus search/read, citation verification, DOCX concept drafting and natural-language Q&A in Dutch, French or English. Anonymous within a per-IP fair-use quota advertised in RateLimit-* headers; the A2A-Version: 1.0 request header is mandatory. Informational only — not legal advice.

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API entry from apis.yml

apis.yml Raw ↑
aid: co-legal-be:co-legal-public-assistant-a2a-agent
name: Co-Legal Public Assistant (A2A Agent)
description: 'Agent2Agent 1.0 surface of Co-Legal''s public legal/fiscal assistant. The agent card at
  https://agent.co-legal.be/.well-known/agent-card.json (version 1.27.9, JWS ES256-signed, verified against
  /.well-known/jwks.json) declares one JSONRPC interface at https://agent.co-legal.be/a2a/jsonrpc, streaming,
  an extended card, four extensions (per-skill JSON Schema 2020-12 input schemas, provider metadata with
  the KVK registration, model disclosure — claude-opus-5 via Google Cloud Vertex AI, EU — and an MCP discovery
  pointer) and 17 read-only skills covering Belgian and Dutch statute, case-law and company lookups, VAT
  and IBAN validation, Flemish inheritance-tax brackets, ECB rates, public legal-corpus search/read, citation
  verification, DOCX concept drafting and natural-language Q&A in Dutch, French or English. Anonymous
  within a per-IP fair-use quota advertised in RateLimit-* headers; the A2A-Version: 1.0 request header
  is mandatory. Informational only — not legal advice.'
humanURL: https://co-legal.be/agent
baseURL: https://agent.co-legal.be/a2a/jsonrpc
tags:
- A2A
- Agent-Native
- Legal Research
- Tax
- Case Law
tags_raw:
- A2A
- Agent-native
- Legal research
- Tax
- Case law
- agent-native
properties:
- type: AgentCard
  url: a2a/co-legal-be-a2a.yml
- type: AgentCard
  name: A2A Agent Card (provider-hosted, signed)
  url: https://agent.co-legal.be/.well-known/agent-card.json
- type: Documentation
  url: https://agent.co-legal.be/
- type: Authentication
  url: authentication/co-legal-be-authentication.yml
- type: RateLimits
  url: rate-limits/co-legal-be-rate-limits.yml
- type: ErrorCatalog
  url: errors/co-legal-be-problem-types.yml
- type: LLMsTxt
  url: llms/co-legal-be-agent-llms.txt