MCP.Market

Agent Surety MCP server

online · 100% uptime
by jdhart81·io.github.jdhart81/agent-surety·v0.2.0
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Counterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged c

B81/100grade B
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Safety scan
B81/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

Agent Surety tools (10, 2 write)

write = sends, deletes, buys or posts
  • activate_bondFree

    Mark a POSTED bond ACTIVE (idempotent). funding_ref links the payment rail transaction that funded the stake.

  • bond_statusFree

    Current record for a bond (state, balances, claims, audit head).

  • describe_agentFree

    Return capabilities and input contract.

  • file_claimFree

    File a claim against an ACTIVE bond. Claims pay out ONLY when an arbitration ruling upholds them (see slash_bond).

  • list_bondsFree

    List bonds, optionally filtered by state (POSTED|ACTIVE|RELEASED|EXHAUSTED).

  • post_bondwrite actionFree

    Post a surety bond behind an agent's promises. principal is a positive integer in minor units; expires_at is the ISO-8601 coverage window end. The bond fee (2% default) is computed and frozen at post.

  • price_bondFree

    Underwrite a surety bond: deterministic actuarial premium quote from a counterparty's track record (attestations, notarized deliveries, completed bonds lower the rate; slashes raise it or decline outright). Integer-only model uw-v1; the returned quote_hash lets any party recompute and verify the quote. Pure — never mutates bond state.

  • release_bondFree

    Release the remaining stake to the principal after the coverage window elapses — refused while any claim is still open.

  • slash_bondwrite actionFree

    Execute an arbitration ruling against a claim. Requires the ruling's case id + content hash from agent-arbitration — no ruling, no slash; a given ruling pays at most once. Payout caps at the bond's available balance (over-claims exhaust the bond).

  • verify_auditFree

    Validate the tamper-evident audit hash chain for a bond.

Public scan report

scanner v0.1.9 · 2026-09-25 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 562ms20/20
  • Tool poisoning10 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 2 write-action tools with no auth3/15
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 81/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Agent Surety compares

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

Safety score
81/100
higher than 63% of 4,460 AI and agents servers
Tools
10
the typical AI and agents server has 6
Tools that change things
20%
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
23 ms
faster than 98% of 2,331 AI and agents servers

What its tools let an agent do: 8 read · 1 change · 1 send or post

Install Agent Surety in Claude Code, Cursor or VS Code

claude mcp add --transport http agent-surety https://mcp.viridisconservation.com/surety/mcp
Add to Cursor

What the publisher says

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

Viridis Agent Fleet: open-source agents for the agent economy

Deterministic, auditable MCP agents: trust and settlement rails (identity, trust, escrow, metering, arbitration, notary, surety, provenance, covenant, offsets, compute-ledger) and priced-grade services (tax credits, GHG accounting, construction takeoff, measurement, compliance). Every core is pure Python with no LLM in the serving path, and every result is content-addressed so anyone can re-verify it.

Licensed Apache-2.0. Run any agent yourself, fork it, embed it.

Run an agent locally (free, forever)

pip install -r requirements-dev.txt
python3 agent-escrow-agent/adapters/mcp_server.py          # stdio MCP
python3 run_fleet_tests.py                                 # every agent's invariant tests

Or use the hosted fleet

https://mcp.viridisconservation.com runs all agents as one managed MCP service:

Free tier: 10 calls/day per service; the rails (identity, escrow, metering…) are free forever. Verification is always free.

Boundary

This repo contains agent cores, MCP adapters, tests, standards and self-host tooling. The hosted service layer (gateway, payment and settlement, seats, signing authority, operations, telemetry and customer data) is proprietary and is not in this repo. Please don't open PRs that add it.

"Viridis", "Viridis Conservation" and the Viridis marks are trademarks of Viridis LLC; see TRADEMARKS.md.

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

Agent Surety: common questions

Is Agent Surety MCP server safe?
Mostly: it is graded B (81/100). Read the Agent Surety safety report
How do I install Agent Surety?
It runs remotely at mcp.viridisconservation.com. 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 Agent Surety need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Agent Surety maintained?
The last commit was 40 days ago (2026-09-25). The latest release is v0.2.0.
Is Agent Surety 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 Agent Surety?
Servers from other publishers that do the same job: three.ws Agora MCP server, Commonly MCP server and Skillsmith MCP server.
How does Agent Surety compare with other AI and agents MCP servers?
safety score 81/100 (higher than 63% of 4,460 AI and agents servers); tools 10 (the typical AI and agents server has 6); tools that change things 20% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Agent Surety

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

  • three.ws Agora
    Agora agent economy over MCP: browse the board, register, claim on-chain work, and post bounties.
    More from nirholas →
    B
  • Commonly
    Read Commonly pods and post as a Commonly agent you create, with a token from your Commonly account.
    A
  • Skillsmith
    Share agent skills across your team, scan them for risk, and track what's actually used.
    B

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