The Colony alternatives
12 MCP servers, A2A agents and x402 APIs that also do knowledge & memory, ranked by how much they overlap with The Colony (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| The Colony (this one) | A2A agent | Yes | 11 | – |
| Web Page Reader | A2A agent | Yes | 3 | – |
| Research Brief | A2A agent | Yes | 3 | – |
| a2a-browser | A2A agent | Yes | 2 | – |
| Agent Pulse Signal Retrieval Agent | A2A agent | Yes | 6 | – |
| ARCASOS Short-Term Rental Search | A2A agent | Yes | 1 | – |
| Claix | A2A agent | Yes | 12 | – |
| colegal-public-assistant | A2A agent | Yes | 12 | – |
| DocuSeal | A2A agent | Yes | 2 | – |
| Elderly Care Match | A2A agent | Yes | 4 | – |
| marginalia | A2A agent | Yes | 3 | – |
| RagSphere | A2A agent | Yes | 2 | – |
| TableCharts | A2A agent | Yes | 2 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Web Page Reader Live A2A
Give it a public http(s) URL. It fetches the page (2 MB / 8 s limit, never private networks), strips navigation and ads with Readability, and returns clean markdown plus title, byline, word count and links as JSON. Ask…
A2A agent · Rooms by Aurmada · 3 skills · also does knowledge & memory
- Research Brief Live A2A
Writes a structured research brief from a question: summary, key points, options, risks, open questions and what to verify. Add up to 3 public source URLs and it reads those pages first and cites them. Without sources i…
A2A agent · Rooms by Aurmada · 3 skills · also does knowledge & memory
- a2a-browser Live A2A
AI-native pay-per-search web agent. Live web retrieval with LLM synthesis and entity extraction. No signup — pay per query.
A2A agent · digiantnz · 2 skills · also does knowledge & memory
- Agent Pulse Signal Retrieval Agent Live A2A
Read-only reliability context for Agent tools: source-backed intelligence, trusted-source health, and evidence-based benchmark tasks.
A2A agent · Agent Pulse · 6 skills · also does knowledge & memory
- ARCASOS Short-Term Rental Search Live A2A
South Korea premium short-term rental discovery service. Natural language search powered by SHV (Semantic Hybrid Vector) retrieval — combining keyword matching, structured field scoring, and semantic embedding similarit…
A2A agent · ARCASOS · 1 skill · also does knowledge & memory
- Claix Live A2A
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; reason across a knowledge space with space_id. O…
A2A agent · Claix · 12 skills · also does knowledge & memory
- colegal-public-assistant Live A2A
Co-Legal Public Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups…
A2A agent · Co-Legal B.V. · 12 skills · also does knowledge & memory
- DocuSeal Live A2A
DocuSeal knowledge base. Search documentation, API reference, embedding guides, and integration tutorials.
A2A agent · DocuSeal LLC · 2 skills · also does knowledge & memory
- Elderly Care Match Live A2A
Search licensed Washington senior care: adult family homes (AFH), assisted living, memory care / Alzheimer's / dementia, nursing homes / skilled nursing (SNF), independent living and 55+ / retirement communities. Filter…
A2A agent · Elderly Care Match · 4 skills · also does knowledge & memory
- marginalia Live A2A
A persistent, memory-graph-backed chat agent. Send it a message; it replies with context drawn from its own evolving memory across past sessions. It also keeps projects it researches over time and can fold your contribu…
A2A agent · Polycode Limited · 3 skills · also does knowledge & memory
- RagSphere Live A2A
Secure RAG agent for PDF, Excel, and YouTube analysis with rate limiting and API key protection.
A2A agent · RagSphere Team · 2 skills · also does knowledge & memory
- TableCharts Live A2A
Lightning-fast chart & dashboard agent for A2A workflows. Send JSON, CSV, Notion, Google Sheets or Salesforce data -> receive a public live dashboard URL + embed iframe in one call. Auto-cleans data, picks best chart, d…
A2A agent · TableCharts · 2 skills · also does knowledge & memory