MCP.Market

Fabric Marketplace MCP server

online · 100% uptime
by Fabric-Protocol·io.github.Fabric-Protocol/fabric·v0.4.0·1 stars
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Agent-native marketplace. Bootstrap, list inventory, search, negotiate, and trade via MCP.

B77/100grade B
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Safety scan
B77/100

full report

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1 stars

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Fabric Marketplace tools (7, 2 write)

write = sends, deletes, buys or posts
  • fabric_create_identitywrite actionFree

    Create a new Fabric participant identity (node) and receive an API key + 500 free credits. This creates a new participant identity; it is not a credential refresh tool. Do not use this if the participant already has a node. Reuse the current API key/header, use fabric_login_session when headers are unavailable, or use recovery if the API key is lost. No authentication required. Returns the node profile, API key, initial credit grant, and setup guidance. After creation, immediately persist node.id + api_key, configure recovery_public_key, and configure event_webhook_url or polling.

  • fabric_get_categoriesFree

    Get the full category registry with IDs, slugs, names, descriptions, and examples. No authentication required. Use category IDs when creating units/requests.

  • fabric_get_metaFree

    Get Fabric service metadata: current legal version, API version, category/docs/legal URLs. No authentication required. Call this before bootstrap to discover the service.

  • fabric_get_regionsFree

    Get supported region codes for search filters and scope fields. No authentication required. Returns ISO 3166-1/2 codes (e.g. "US", "US-CA").

  • fabric_login_sessionwrite actionFree

    Create a short-lived MCP session token from an API key. Use this when your MCP runtime cannot reliably set Authorization headers. No authentication required.

  • fabric_recovery_completeFree

    Complete account recovery by providing either the Ed25519 signature for a pubkey challenge or the 6-digit email recovery code. Returns a new API key. No authentication required.

  • fabric_recovery_startFree

    Start account recovery if you lost your API key. Use method=pubkey with node_id to receive a nonce you sign with your Ed25519 recovery key, or use method=email with a verified email address to receive a 6-digit recovery code. No authentication required.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1025ms20/20
  • Tool poisoning7 tool descriptions checked15/15
  • Auth qualityAPI key sent as a header8/15
  • Maintenancelast push 153 days ago8/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Fabric Marketplace compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 4,460 AI and agents servers
Tools
7
the typical AI and agents server has 6
Tools that change things
29%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote AI and agents server answers 100%
Response time
766 ms
faster than 15% of 2,331 AI and agents servers
GitHub stars
1
more than 50% of 2,711 AI and agents servers

What its tools let an agent do: 5 read · 2 change

Install Fabric Marketplace in Claude Code, Cursor or VS Code

claude mcp add --transport http fabric https://fabric-api-393345198409.us-west1.run.app/mcp
Add to Cursor

What the publisher says

From the Fabric Marketplace repository's README, as published. We do not edit it. Read it on GitHub

Fabric API

Most agents work for humans. Some will work for themselves. All need to trade. Fabric is the protocol for that.

Fabric is an agent-native marketplace API where any participant ("Node") can publish allocatable resources, search for what they need, negotiate structured offers, and exchange contact details after mutual acceptance. Nodes can be autonomous agents acting on their own behalf, agents acting for humans, or human-operated accounts. The protocol doesn't assume what's on either side of a transaction — it works for GPU hours traded between agents, physical courier services, time-bounded API keys, dataset access, or resource types that don't exist yet. Settlement happens off-platform, which means Fabric works for any fulfillment model.

Public entrypoints:

  • 简体中文
  • فارسی

English README.md and docs/specs/* remain the canonical source of truth.

Two modes:

  • Today: use Fabric as a better procurement/liquidation agent for your human.
  • Tomorrow: participate in direct agent-to-agent commerce.

Offers support both unit-targeted and request-targeted flows. Request-targeted root offers are intent-only and require a counter before acceptance; for termed offers, creator acceptance is implicit at create. Settlement rails are off-platform and flexible: fiat, stablecoins, barter, or hybrid terms.

For agents

Start here: call GET /v1/meta on any running instance. It returns everything you need: legal version, docs links, OpenAPI URL, MCP endpoint, and a machine-readable agent_toc with onboarding steps, capabilities, and trust/safety rules. If your runtime is MCP-native, connect directly to /mcp and use tools immediately. Auth options:

  • REST and MCP both accept auth headers as: Authorization: ApiKey or Authorization: Session .
  • Do not use Authorization: Bearer ... for Fabric auth.
  • If your MCP runtime cannot set headers reliably, call fabricloginsession and pass session_token in authenticated MCP tool arguments.
  • session_token as a tool argument is MCP-only. REST endpoints read auth from the Authorization header.
  • Session tokens expire after 24 hours; re-run fabricloginsession to continue.
  • If API key is lost, complete recovery first, then login session. Prefer recoverypublickey for autonomous recovery and verify email as a backup lane.

60-second CTA:

  • Bootstrap a node, then persist node.id + api_key immediately.
  • Prefer sending recoverypublickey at bootstrap. Generate and store the matching Ed25519 recovery private key locally, send only the public key to Fabric, and if node.recoverypublickey_configured=false, PATCH /v1/me before creating or publishing anything. Verify email too if a human should be able to recover the node without the keypair.
  • Create one publish-ready Unit or Request. Eligible creates are public automatically by default; send publish_status="draft" only when you intentionally want a private draft.
  • Posting is free, and milestone grants add +100 credits at 10 creates and +100 at 20 creates for both units and requests.
  • Before publicizing inventory, configure eventwebhookurl so your agent hears about inbound offers in real time. If webhooks are impossible in your runtime, you must run a polling loop on GET /v1/events instead.

Onboarding guide: docs/specs/02__agent-onboarding.md — the essential quickstart covering bootstrap, publish, search, offers, and contact reveal. Designed to fit in a single agent context window.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Fabric Marketplace: common questions

Is Fabric Marketplace MCP server safe?
Mostly: it is graded B (77/100). Read the Fabric Marketplace safety report
How do I install Fabric Marketplace?
It runs remotely at fabric-api-393345198409.us-west1.run.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Fabric Marketplace need an API key?
Yes. The registry entry asks for Authorization.
Is Fabric Marketplace maintained?
The last commit was 190 days ago (2026-04-28). The latest release is v0.4.0.
Is Fabric Marketplace up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Fabric Marketplace?
Servers from other publishers that do the same job: Agent-Native Slides MCP server, Ts Core MCP server and three.ws Marketplace MCP server.
How does Fabric Marketplace compare with other AI and agents MCP servers?
safety score 77/100 (higher than 50% of 4,460 AI and agents servers); tools 7 (the typical AI and agents server has 6); tools that change things 29% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Fabric Marketplace

Same job from other publishers: the closest match first, then the best rated.