io.github.jdhart81/agent-offset-clearinghouse
https://mcp.viridisconservation.com/offsets/mcpVerified conservation credits matched to agent compute emissions — the conservation flywheel of the
Paid verification
How it worksNo sponsored paid call yet.
Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.
Quality grade
How grading works- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✗ Price declared
x402 readiness
Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B, 57.8/100), which weighs availability, payability and on-chain demand. How the two differ
| Valid payment requirements | 9/10 | Findings: missing: price declared.
|
| Live 402 challenge | 20/25 | Endpoint reachable; its 402 challenge was seen earlier (180 ms). |
| x402 version | n/a | x402 version not observed yet. |
| Signed descriptor | n/a | No x402 standard defines a signed descriptor. |
| Uptime (30 days) | 15/15 | 32/32 probes succeeded over 30 days (100%). |
| Resource declaration | 10/10 | Declares 9 paid resource(s). |
| Verified identity | 5/10 | Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control. |
| Freshness + modern flags | 1/5 | not seen in a source for over 30 days; declares x402. |
| Security declaration | n/a | Payment is the access control for an x402 resource. |
Compared with peers
Against 10,082 reachable x402 APIs in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.
- Readiness
- Higher than 55% of peers
- This listing 80 · peer median 78
- Latency
- Faster than 57% of peers
- This listing 180 ms · peer median 205 ms
Where it loses the most points, and how to win them back
- Live 402 challenge −5
— Answer the paid path with a valid 402 challenge.
Now: Endpoint reachable; its 402 challenge was seen earlier (180 ms).
- Verified identity −5
— Claim the listing and prove control of its domain.
Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
- Freshness + modern flags −4
— Keep the listing current in the registry or source it comes from.
Now: not seen in a source for over 30 days; declares x402.
Paid endpoints
9 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.
https://mcp.viridisconservation.com/x402/regulatory-radar/scan_regulations
Energy and climate compliance regulation scan across a curated 14-regulation database, with jurisdiction, urgency, and effective-date signals, including California SB 253 and SB 261 status. The scan step pairs with Viridis GHG inventory, sustainability disclosure, and clean-energy tax-credit engines
https://mcp.viridisconservation.com/x402/regulatory-radar/monitor_changes
Monitor regulatory changes, compliance deadlines, and effective dates in a bounded, source-linked regulatory calendar over the curated Viridis dataset. Returns requirements that became effective or have a key date approaching inside the selected day window, with alert level and recommended review ac
https://mcp.viridisconservation.com/x402/taxcredit-engine/calculate_tax_credit
Auditable US clean-energy tax-credit calculator from explicit credit-specific facts. The claim step pairs with the Viridis GHG inventory and sustainability disclosure engines for a chainable compliance workflow.
https://mcp.viridisconservation.com/x402/ghg-ledger/calculate_inventory
Deterministic greenhouse gas inventory API for auditable Scope 1, 2, and 3 accounting from explicit activity records. The accounting step pairs with Viridis embodied-carbon takeoff, disclosure, and tax-credit engines.
https://mcp.viridisconservation.com/x402/quantity-takeoff/calculate_takeoff
Embodied carbon quantity takeoff from a bill of materials or explicit construction geometry, producing auditable material quantities for carbon accounting. The measure step pairs with the Viridis GHG inventory and sustainability disclosure engines.
https://mcp.viridisconservation.com/x402/disclosure-compiler/compile_disclosure
CSRD / IFRS S2 (TCFD-aligned) sustainability disclosure compiler from supplied company facts and optional verified emissions data. The disclose step pairs with Viridis GHG inventory, regulation-scan, and clean-energy tax-credit engines.
https://mcp.viridisconservation.com/x402/hive/solve
Cost-bounded multi-agent solve with three independent workers, reviewer-not-author cross-review, escrow settlement, trust outcomes, compute accounting, and a content-addressed audit. The fixed $5 profile supports at most four subtasks and redundancy three.
https://mcp.viridisconservation.com/x402/os-decisions/build_decision_report
$1 optional orchestration of 1-3 scenarios over free Conservation OS previews, with recomputation checks and a provenance bundle. Unsigned, not reviewed, not certified or empirically validated. Public/synthetic/de-identified inputs only.
https://mcp.viridisconservation.com/x402/wu-wei-router/plan_workload
$1 routing plan for up to 20 profiles and 50 workload groups. Caller-supplied cost and evaluation data; no autonomous execution or verified savings.
How to call
curl -sS -i -X GET https://mcp.viridisconservation.com/offsets/mcp # expect HTTP 402 Payment Required (price advertised in the 402 response)https://mcp.viridisconservation.com/offsets/mcpListed in
Directories this entry was found in.