MCP.Market

Ghg Ledger MCP server

online · 100% uptime
by jdhart81·io.github.jdhart81/ghg-ledger·v0.1.0
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Deterministic Scope 1/2/3 GHG inventories with bundled factors and audit hashes.

A91/100grade A
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Safety scan
A91/100

full report

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

Ghg Ledger tools (6)

write = sends, deletes, buys or posts
  • calculate_inventoryFree

    Calculate an auditable GHG inventory from explicit activity records. Returns per-line gas/CO2e results, Scope 1/2/3 and category rollups, dual Scope 2 reporting, indeterminate lines, factor lineage, notary payload, and an offset-clearinghouse dry-run weave. This is calculation, not advice. Price: $1.00 per call after 10 free calls/day. Pay at /x402/ghg-ledger/calculate_inventory with Base USDC, cash-fund payment_ref through escrow_checkout + confirm_escrow_funding, or use /seats.

  • classify_activityFree

    Suggest scope and Scope 3 category from the bundled deterministic map. No inference is used; unknown activity types return no suggestion.

  • describe_agentFree

    Return fleet-standard capabilities, version, pack digest, and pricing.

  • get_factor_packFree

    Return factors, GWP values, conversions, sources, and pack SHA for one exact bundled region/year. No nearest-region or nearest-year substitution.

  • list_factor_packsFree

    List the bundled pack version/digest, supported regions and years, activity types, GWP set, and explicit MVP coverage.

  • verify_resultFree

    Recompute a prior inventory's audit hash and conservation checks. Pass the prior result object as JSON; tampering or stale factor lineage is flagged.

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 502ms20/20
  • Tool poisoning6 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 91/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Ghg Ledger compares

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

Safety score
91/100
higher than 85% of 48,255 servers
Tools
6
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
15 ms
faster than 97% of 30,031 servers

What its tools let an agent do: 6 read

Install Ghg Ledger in Claude Code, Cursor or VS Code

claude mcp add --transport http ghg-ledger https://mcp.viridisconservation.com/ghg-ledger/mcp
Add to Cursor

What the publisher says

From the Ghg Ledger 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.

Ghg Ledger: common questions

Is Ghg Ledger MCP server safe?
Yes, by our scan: it is graded A (91/100). Read the Ghg Ledger safety report
How do I install Ghg Ledger?
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 Ghg Ledger need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Ghg Ledger maintained?
The last commit was 39 days ago (2026-09-26). The latest release is v0.1.0.
Is Ghg Ledger 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 Ghg Ledger?
Servers from other publishers that do the same job: QVeris MCP server.
How does Ghg Ledger compare with other MCP servers?
safety score 91/100 (higher than 85% of 48,255 servers); tools 6 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Ghg Ledger

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

  • QVeris
    Professional data and tools for AI: find services, review scope, call them, and audit usage.
    A

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